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Газ. Большая российская энциклопедия

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6.89846C19.0438 7.34362 19.5 8.11852 19.5 8.99996V19C19.5 20.3807 18.3807 21.5 17 21.5H7C5.61929 21.5 4.5 20.3807 4.5 19V8.99996C4.5 7.61924 5.61929 6.49996 7 6.49996ZM9.25 12C9.25 11.5857 9.58579 11.25 10 11.25H12H14C14.4142 11.25 14.75 11.5857 14.75 12C14.75 12.4142 14.4142 12.75 14 12.75H12H10C9.58579 12.75 9.25 12.4142 9.25 12ZM9.25 17C9.25 16.5857 9.58579 16.25 10 16.25H12H14C14.4142 16.25 14.75 16.5857 14.75 17C14.75 17.4142 14.4142 17.75 14 17.75H12H10C9.58579 17.75 9.25 17.4142 9.25 17Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Аннотация</span></a><!--]--><!--]--><span style="display:none;" class=""><span>Аннотация</span></span></span><a href="/c/gaz-d6a6d7/annotation" class="bre-article-menu__list-item tw-mx-auto tw-flex lg:tw-hidden"><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-gray-1"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M18.2363 4.12686C18.2363 3.43651 18.796 2.87686 19.4863 2.87686C20.1767 2.87686 20.7363 3.43651 20.7363 4.12686C20.7363 4.81722 20.1767 5.37686 19.4863 5.37686C18.796 5.37686 18.2363 4.81722 18.2363 4.12686ZM19.4863 1.37686C17.9675 1.37686 16.7363 2.60808 16.7363 4.12686C16.7363 4.43206 16.786 4.72564 16.8778 4.99996H7C4.79086 4.99996 3 6.79082 3 8.99996V19C3 21.2091 4.79086 23 7 23H17C19.2091 23 21 21.2091 21 19V8.99996C21 8.16642 20.745 7.39244 20.3089 6.75173C21.4258 6.40207 22.2363 5.35911 22.2363 4.12686C22.2363 2.60808 21.0051 1.37686 19.4863 1.37686ZM7 6.49996H16.6319L14.6964 8.43547C14.4035 8.72837 14.4035 9.20324 14.6964 9.49613C14.9893 9.78903 15.4641 9.78903 15.757 9.49613L18.3547 6.89846C19.0438 7.34362 19.5 8.11852 19.5 8.99996V19C19.5 20.3807 18.3807 21.5 17 21.5H7C5.61929 21.5 4.5 20.3807 4.5 19V8.99996C4.5 7.61924 5.61929 6.49996 7 6.49996ZM9.25 12C9.25 11.5857 9.58579 11.25 10 11.25H12H14C14.4142 11.25 14.75 11.5857 14.75 12C14.75 12.4142 14.4142 12.75 14 12.75H12H10C9.58579 12.75 9.25 12.4142 9.25 12ZM9.25 17C9.25 16.5857 9.58579 16.25 10 16.25H12H14C14.4142 16.25 14.75 16.5857 14.75 17C14.75 17.4142 14.4142 17.75 14 17.75H12H10C9.58579 17.75 9.25 17.4142 9.25 17Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Аннотация</span></a></div><div class="tw-grow tw-basis-0 max-md:tw-max-w-[80px]"><span data-v-tippy class="tw-mx-auto tw-hidden lg:tw-flex"><!--[--><!--[--><a href="/c/gaz-d6a6d7/media" class="bre-article-menu__list-item"><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-gray-1"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M17 4H7C5.61929 4 4.5 5.11929 4.5 6.5V17.5C4.5 18.1033 4.71367 18.6566 5.06946 19.0885L15.6829 8.95748C15.8374 8.81003 16.0474 8.73542 16.2603 8.75237C16.4732 8.76931 16.6687 8.87621 16.7979 9.04625L19.5 12.6023V6.5C19.5 5.11929 18.3807 4 17 4ZM19.5 15.0592C19.465 15.0278 19.4324 14.9926 19.4028 14.9538L16.1114 10.6221L6.37067 19.9201C6.57173 19.9723 6.78263 20 7 20H17C18.3807 20 19.5 18.8807 19.5 17.5V15.0592ZM7 2.5C4.79086 2.5 3 4.29086 3 6.5V17.5C3 19.7091 4.79086 21.5 7 21.5H17C19.2091 21.5 21 19.7091 21 17.5V6.5C21 4.29086 19.2091 2.5 17 2.5H7ZM9.20078 7.25C8.51042 7.25 7.95078 7.80964 7.95078 8.5C7.95078 9.19036 8.51042 9.75 9.20078 9.75C9.89113 9.75 10.4508 9.19036 10.4508 8.5C10.4508 7.80964 9.89113 7.25 9.20078 7.25ZM6.45078 8.5C6.45078 6.98122 7.68199 5.75 9.20078 5.75C10.7196 5.75 11.9508 6.98122 11.9508 8.5C11.9508 10.0188 10.7196 11.25 9.20078 11.25C7.68199 11.25 6.45078 10.0188 6.45078 8.5Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Медиа</span></a><!--]--><!--]--><span style="display:none;" class=""><span>Медиа</span></span></span><a href="/c/gaz-d6a6d7/media" class="bre-article-menu__list-item tw-mx-auto tw-flex lg:tw-hidden"><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-gray-1"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M17 4H7C5.61929 4 4.5 5.11929 4.5 6.5V17.5C4.5 18.1033 4.71367 18.6566 5.06946 19.0885L15.6829 8.95748C15.8374 8.81003 16.0474 8.73542 16.2603 8.75237C16.4732 8.76931 16.6687 8.87621 16.7979 9.04625L19.5 12.6023V6.5C19.5 5.11929 18.3807 4 17 4ZM19.5 15.0592C19.465 15.0278 19.4324 14.9926 19.4028 14.9538L16.1114 10.6221L6.37067 19.9201C6.57173 19.9723 6.78263 20 7 20H17C18.3807 20 19.5 18.8807 19.5 17.5V15.0592ZM7 2.5C4.79086 2.5 3 4.29086 3 6.5V17.5C3 19.7091 4.79086 21.5 7 21.5H17C19.2091 21.5 21 19.7091 21 17.5V6.5C21 4.29086 19.2091 2.5 17 2.5H7ZM9.20078 7.25C8.51042 7.25 7.95078 7.80964 7.95078 8.5C7.95078 9.19036 8.51042 9.75 9.20078 9.75C9.89113 9.75 10.4508 9.19036 10.4508 8.5C10.4508 7.80964 9.89113 7.25 9.20078 7.25ZM6.45078 8.5C6.45078 6.98122 7.68199 5.75 9.20078 5.75C10.7196 5.75 11.9508 6.98122 11.9508 8.5C11.9508 10.0188 10.7196 11.25 9.20078 11.25C7.68199 11.25 6.45078 10.0188 6.45078 8.5Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Медиа</span></a></div><div class="tw-grow tw-basis-0 max-md:tw-max-w-[80px]"><span data-v-tippy class="tw-mx-auto tw-hidden lg:tw-flex"><!--[--><!--[--><a href="/c/gaz-d6a6d7/references" class="bre-article-menu__list-item"><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-gray-1"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M5 3.25C3.48122 3.25 2.25 4.48122 2.25 6V16.1667C2.25 17.6854 3.48122 18.9167 5 18.9167H9.3C9.80519 18.9167 10.2974 19.1269 10.6662 19.5139C11.0362 19.9022 11.25 20.4361 11.25 21C11.25 21.4142 11.5858 21.75 12 21.75C12.4142 21.75 12.75 21.4142 12.75 21C12.75 20.4227 12.9564 19.8833 13.3026 19.4973C13.6464 19.114 14.0941 18.9167 14.5412 18.9167H19C20.5188 18.9167 21.75 17.6855 21.75 16.1667V6C21.75 4.48122 20.5188 3.25 19 3.25H15.3882C14.2627 3.25 13.2022 3.74922 12.4341 4.60572C12.266 4.79308 12.1147 4.99431 11.9809 5.20674C11.8358 4.98777 11.6713 4.78092 11.4885 4.58908C10.6758 3.73626 9.56568 3.25 8.4 3.25H5ZM12.75 17.993C13.2735 17.6237 13.8929 17.4167 14.5412 17.4167H19C19.6904 17.4167 20.25 16.857 20.25 16.1667V6C20.25 5.30964 19.6904 4.75 19 4.75H15.3882C14.7165 4.75 14.0534 5.04681 13.5507 5.60725C13.0457 6.17037 12.75 6.95001 12.75 7.77778V17.993ZM11.25 18.0438V7.77778C11.25 6.96341 10.9414 6.18924 10.4026 5.62389C9.86506 5.05976 9.14388 4.75 8.4 4.75H5C4.30964 4.75 3.75 5.30964 3.75 6V16.1667C3.75 16.857 4.30964 17.4167 5 17.4167H9.3C10.0044 17.4167 10.6825 17.64 11.25 18.0438Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Библиография</span></a><!--]--><!--]--><span style="display:none;" class=""><span>Библиография</span></span></span><a href="/c/gaz-d6a6d7/references" class="bre-article-menu__list-item tw-mx-auto tw-flex lg:tw-hidden"><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-gray-1"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M5 3.25C3.48122 3.25 2.25 4.48122 2.25 6V16.1667C2.25 17.6854 3.48122 18.9167 5 18.9167H9.3C9.80519 18.9167 10.2974 19.1269 10.6662 19.5139C11.0362 19.9022 11.25 20.4361 11.25 21C11.25 21.4142 11.5858 21.75 12 21.75C12.4142 21.75 12.75 21.4142 12.75 21C12.75 20.4227 12.9564 19.8833 13.3026 19.4973C13.6464 19.114 14.0941 18.9167 14.5412 18.9167H19C20.5188 18.9167 21.75 17.6855 21.75 16.1667V6C21.75 4.48122 20.5188 3.25 19 3.25H15.3882C14.2627 3.25 13.2022 3.74922 12.4341 4.60572C12.266 4.79308 12.1147 4.99431 11.9809 5.20674C11.8358 4.98777 11.6713 4.78092 11.4885 4.58908C10.6758 3.73626 9.56568 3.25 8.4 3.25H5ZM12.75 17.993C13.2735 17.6237 13.8929 17.4167 14.5412 17.4167H19C19.6904 17.4167 20.25 16.857 20.25 16.1667V6C20.25 5.30964 19.6904 4.75 19 4.75H15.3882C14.7165 4.75 14.0534 5.04681 13.5507 5.60725C13.0457 6.17037 12.75 6.95001 12.75 7.77778V17.993ZM11.25 18.0438V7.77778C11.25 6.96341 10.9414 6.18924 10.4026 5.62389C9.86506 5.05976 9.14388 4.75 8.4 4.75H5C4.30964 4.75 3.75 5.30964 3.75 6V16.1667C3.75 16.857 4.30964 17.4167 5 17.4167H9.3C10.0044 17.4167 10.6825 17.64 11.25 18.0438Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Библиография</span></a></div><div class="tw-grow tw-basis-0 max-md:tw-max-w-[80px]"><span data-v-tippy class="tw-mx-auto tw-hidden lg:tw-flex"><!--[--><!--[--><a href="/c/gaz-d6a6d7/versions" class="bre-article-menu__list-item"><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-gray-1"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M10.9565 3.85864H7.51619C7.8045 3.2057 8.4577 2.75 9.21734 2.75H13.5652H14.7687C15.4365 2.75 16.0697 3.0466 16.4972 3.55959L19.2502 6.86313C19.5871 7.26748 19.7717 7.77718 19.7717 8.30354V10.6957V16.7826C19.7717 17.5422 19.316 18.1954 18.663 18.4838V13.3043V10.9122C18.663 10.0349 18.3555 9.18542 17.7939 8.51149L15.0409 5.20795C14.3284 4.35298 13.273 3.85864 12.1601 3.85864H10.9565ZM14.913 22.7499C16.6051 22.7499 18.0354 21.6293 18.5022 20.0898C20.0762 19.8113 21.2717 18.4365 21.2717 16.7826V10.6957V8.30354C21.2717 7.42628 20.9641 6.57678 20.4025 5.90285L17.6496 2.59931C16.9371 1.74434 15.8817 1.25 14.7687 1.25H13.5652H9.21734C7.56341 1.25 6.18869 2.44548 5.91016 4.01947C4.37062 4.48633 3.25 5.91662 3.25 7.60864V18.9999C3.25 21.071 4.92893 22.7499 7 22.7499H14.913ZM7 5.35864C5.75736 5.35864 4.75 6.366 4.75 7.60864V18.9999C4.75 20.2426 5.75736 21.2499 7 21.2499H14.913C16.1557 21.2499 17.163 20.2426 17.163 18.9999V13.3043V10.9122C17.163 10.7991 17.1545 10.6867 17.1378 10.5761H15.3043C13.9296 10.5761 12.8152 9.46164 12.8152 8.08694V5.45611C12.6051 5.39215 12.3845 5.35864 12.1601 5.35864H10.9565H7ZM14.3152 6.68014V8.08694C14.3152 8.63322 14.758 9.07607 15.3043 9.07607H16.3118L14.3152 6.68014ZM6.72827 13.3043C6.72827 12.8901 7.06406 12.5543 7.47827 12.5543H14.4348C14.849 12.5543 15.1848 12.8901 15.1848 13.3043C15.1848 13.7185 14.849 14.0543 14.4348 14.0543H7.47827C7.06406 14.0543 6.72827 13.7185 6.72827 13.3043ZM7.47827 16.9022C7.06406 16.9022 6.72827 17.238 6.72827 17.6522C6.72827 18.0664 7.06406 18.4022 7.47827 18.4022H10.9565C11.3707 18.4022 11.7065 18.0664 11.7065 17.6522C11.7065 17.238 11.3707 16.9022 10.9565 16.9022H7.47827Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Версии</span></a><!--]--><!--]--><span style="display:none;" class=""><span>Версии</span></span></span><a href="/c/gaz-d6a6d7/versions" class="bre-article-menu__list-item tw-mx-auto tw-flex lg:tw-hidden"><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-gray-1"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path fill-rule="evenodd" clip-rule="evenodd" d="M10.9565 3.85864H7.51619C7.8045 3.2057 8.4577 2.75 9.21734 2.75H13.5652H14.7687C15.4365 2.75 16.0697 3.0466 16.4972 3.55959L19.2502 6.86313C19.5871 7.26748 19.7717 7.77718 19.7717 8.30354V10.6957V16.7826C19.7717 17.5422 19.316 18.1954 18.663 18.4838V13.3043V10.9122C18.663 10.0349 18.3555 9.18542 17.7939 8.51149L15.0409 5.20795C14.3284 4.35298 13.273 3.85864 12.1601 3.85864H10.9565ZM14.913 22.7499C16.6051 22.7499 18.0354 21.6293 18.5022 20.0898C20.0762 19.8113 21.2717 18.4365 21.2717 16.7826V10.6957V8.30354C21.2717 7.42628 20.9641 6.57678 20.4025 5.90285L17.6496 2.59931C16.9371 1.74434 15.8817 1.25 14.7687 1.25H13.5652H9.21734C7.56341 1.25 6.18869 2.44548 5.91016 4.01947C4.37062 4.48633 3.25 5.91662 3.25 7.60864V18.9999C3.25 21.071 4.92893 22.7499 7 22.7499H14.913ZM7 5.35864C5.75736 5.35864 4.75 6.366 4.75 7.60864V18.9999C4.75 20.2426 5.75736 21.2499 7 21.2499H14.913C16.1557 21.2499 17.163 20.2426 17.163 18.9999V13.3043V10.9122C17.163 10.7991 17.1545 10.6867 17.1378 10.5761H15.3043C13.9296 10.5761 12.8152 9.46164 12.8152 8.08694V5.45611C12.6051 5.39215 12.3845 5.35864 12.1601 5.35864H10.9565H7ZM14.3152 6.68014V8.08694C14.3152 8.63322 14.758 9.07607 15.3043 9.07607H16.3118L14.3152 6.68014ZM6.72827 13.3043C6.72827 12.8901 7.06406 12.5543 7.47827 12.5543H14.4348C14.849 12.5543 15.1848 12.8901 15.1848 13.3043C15.1848 13.7185 14.849 14.0543 14.4348 14.0543H7.47827C7.06406 14.0543 6.72827 13.7185 6.72827 13.3043ZM7.47827 16.9022C7.06406 16.9022 6.72827 17.238 6.72827 17.6522C6.72827 18.0664 7.06406 18.4022 7.47827 18.4022H10.9565C11.3707 18.4022 11.7065 18.0664 11.7065 17.6522C11.7065 17.238 11.3707 16.9022 10.9565 16.9022H7.47827Z" fill="currentColor"/> </svg> </span><span class="bre-article-menu__list-item-text tw-hidden md:max-lg:tw-inline">Версии</span></a></div><!--]--></div></div></nav><!--[--><div><meta itemprop="image primaryImageOfPage" content="https://i.bigenc.ru/resizer/resize?sign=7JK17_fgqWlQEFIk2cRkfA&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=120"><article itemscope itemprop="mainEntity" itemtype="https://schema.org/Article"><div itemprop="publisher" itemscope itemtype="https://schema.org/Organization"><meta itemprop="name" content="Автономная некоммерческая организация «Национальный научно-образовательный центр «Большая российская энциклопедия»"><meta itemprop="address" content="Покровский бульвар, д. 8, стр. 1А, Москва, 109028"><meta itemprop="telephone" content="+7 (495) 781-15-95"><meta itemprop="logo" content="https://s.bigenc.ru/_nuxt/logo.98u7ubS9.svg"></div><div itemprop="copyrightHolder" itemscope itemtype="https://schema.org/Organization"><meta itemprop="name" content="Автономная некоммерческая организация «Национальный научно-образовательный центр «Большая российская энциклопедия»"><meta itemprop="address" content="Покровский бульвар, д. 8, стр. 1А, Москва, 109028"><meta itemprop="telephone" content="+7 (495) 781-15-95"><meta itemprop="logo" content="https://s.bigenc.ru/_nuxt/logo.98u7ubS9.svg"></div><meta itemprop="articleSection" content="Физические свойства"><meta itemprop="headline" content="Газ"><meta itemprop="keywords" content="Реальные газы и их законы"><!----><div class="bre-article-page max-md:tw-mt-10 md:max-lg:tw-mt-[81px] max-md:tw-mt-[105px]"><!----><nav class="bre-article-loc -hide-on-desktop-s"><div class="bre-article-loc-button"><span class="bre-article-loc-title">Содержание</span><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-primary-black"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 9l6 6 6-6" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/></svg> </span><div class="bre-article-loc-short">Идеальный газ</div></div><!----></nav><div class="article-sidebar -hide-on-desktop-s"><div class="article-sidebar-button -show-on-tablet -hide-on-desktop-s"><span class="article-sidebar-title">Информация</span><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-primary-black"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 9l6 6 6-6" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/></svg> </span><!--[--><div class="article-sidebar-text -show-on-tablet -hide-on-desktop-s">Газ</div><!--]--></div><div class="article-sidebar-wrapper -hide-on-tablet"><header class="bre-article-header -hide-on-tablet"><div class="bre-label__wrap"><span data-v-tippy class="tw-leading-[0px]"><!--[--><!--[--><span class="bre-label">Физические свойства</span><!--]--><!--]--><span style="display:none;" class=""><span>Физические свойства</span></span></span><!----></div><!--[--><!----><h1 class="bre-article-header-title">Газ</h1><!--]--><!----></header><section class="-hide-on-tablet tw-h-14 md:tw-h-20"><div><div><div itemprop="interactionStatistic" itemscope itemtype="https://schema.org/InteractionCounter"><meta itemprop="interactionType" content="https://schema.org/ViewAction"><meta itemprop="userInteractionCount" content=""></div><div itemprop="interactionStatistic" itemscope itemtype="https://schema.org/InteractionCounter"><meta itemprop="interactionType" content="https://schema.org/ShareAction"><meta itemprop="userInteractionCount" content=""></div><div itemprop="interactionStatistic" itemscope itemtype="https://schema.org/InteractionCounter"><meta itemprop="interactionType" content="https://schema.org/LikeAction"><meta itemprop="userInteractionCount" content=""></div></div><span></span></div></section><!----><span class="bre-media-image article-sidebar-image _note-exclude _clean" data-width="100%" data-display="block"><span class="bre-media-figure _note-exclude _clean" itemscope itemtype="https://schema.org/ImageObject" itemprop="image"><!--[--><span class="bre-media-image-container _placeholder"><meta itemprop="name" content="Физика"><meta itemprop="caption" content="Физика. Научно-образовательный портал «Большая российская энциклопедия»"><!----><!----><span class="tw-flex tw-w-full" style=""><img src="https://i.bigenc.ru/resizer/resize?sign=7JK17_fgqWlQEFIk2cRkfA&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=120" onerror="this.setAttribute(&#39;data-error&#39;, 1)" alt="Физика" data-nuxt-img sizes="320px" srcset="https://i.bigenc.ru/resizer/resize?sign=7JK17_fgqWlQEFIk2cRkfA&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=120 120w,https://i.bigenc.ru/resizer/resize?sign=Jf8Ovt6NK1CJRMEXmLmu9w&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=320 320w,https://i.bigenc.ru/resizer/resize?sign=9FmjZNIS1_JG-eBy3nkCow&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=480 480w,https://i.bigenc.ru/resizer/resize?sign=W0YAxakNej-ihBYTmKOUhA&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=640 640w,https://i.bigenc.ru/resizer/resize?sign=bU5vxPnJKBxMhvgLEjl-uA&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=768 768w,https://i.bigenc.ru/resizer/resize?sign=CO7eqX0CglCAJmsuCYDJxQ&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=1024 1024w,https://i.bigenc.ru/resizer/resize?sign=SNrDJXfJeDUaOjs9TGABPA&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=1280 1280w,https://i.bigenc.ru/resizer/resize?sign=A65s2m2zZF6hgTDDppMoDA&amp;filename=vault/2a7425e2f5716d70117aeb7f30155e04.webp&amp;width=1920 1920w" title="Физика" class="" itemprop="contentUrl"></span><!----></span><!--]--><!----></span><!----><!----></span><div class="article-sidebar-meta"><dl class="tw-mt-0"><!--[--><!--[--><dt>Области знаний:</dt><dd>Газы и газовые законы</dd><!--]--><!--]--><!----></dl></div></div></div><div class="bre-article-page__container"><div class="bre-article-page__content bre-article-content"><header class="bre-article-header -show-on-tablet"><div class="bre-label__wrap"><span data-v-tippy class="tw-leading-[0px]"><!--[--><!--[--><span class="bre-label">Физические свойства</span><!--]--><!--]--><span style="display:none;" class=""><span>Физические свойства</span></span></span><!----></div><!--[--><!----><h1 class="bre-article-header-title">Газ</h1><!--]--><!----></header><section class="tw-flex"><div class="-show-on-tablet tw-h-14 md:tw-h-20"><!----></div><span></span></section><div class="js-preview-link-root"><div itemprop="articleBody" class="bre-article-body"><!--[--><section><section><p><b>Газ</b> (франц. gaz, от лат. chaos, от греч. χάος – хаос), <a href="/c/agregatnye-sostoianiia-veshchestva-918cfc" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->агрегатное состояние вещества<!--]--><!--]--><!----></a>, в котором его атомы или молекулы не связаны или очень слабо связаны силами взаимодействия и заполняют весь предоставленный им объём. Термин «газ» предложен в начале 17 в. <a href="/c/gel-mont-ian-baptist-van-409aa4" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->Я. Б. ван Гельмонтом<!--]--><!--]--><!----></a>. Вещество в газообразном состоянии широко распространено в природе. Газы образуют <a href="/c/atmosfera-zemli-68ee43" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->атмосферу Земли<!--]--><!--]--><!----></a>, в значительных количествах содержатся в твёрдых земных породах (<a href="/c/prirodnye-gazy-aacf50" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->газы природные<!--]--><!--]--><!----></a>), растворены в <a href="/c/voda-07375d" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->воде<!--]--><!--]--><!----></a> океанов, морей и рек. Звёзды, <a href="/c/mezhzviozdnye-oblaka-c0b8c9" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->облака межзвёздного вещества<!--]--><!--]--><!----></a>, туманности, атмосферы планет состоят из газов – нейтральных или ионизованных (<a href="/c/plazma-0c9643" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->плазмы<!--]--><!--]--><!----></a>).</p><p>Любое вещество в зависимости от <a href="/c/davlenie-54433f" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->давления<!--]--><!--]--><!----></a> и <a href="/c/temperatura-dbf09d" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->температуры<!--]--><!--]--><!----></a> может существовать в твёрдом, жидком или газообразном состоянии. Область существования газообразного состояния графически удобно изобразить в переменных: давление <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>p</mi></mrow><annotation encoding="application/x-tex">p</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">p</span></span></span></span></span><!----></span> – температура <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>T</mi></mrow><annotation encoding="application/x-tex">T</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">T</span></span></span></span></span><!----></span> (<span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>p</mi></mrow><annotation encoding="application/x-tex">p</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">p</span></span></span></span></span><!----></span>, <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>T</mi></mrow><annotation encoding="application/x-tex">T</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">T</span></span></span></span></span><!----></span>-диаграмма, рисунок). </p><p><span class="bre-media-image _note-exclude" data-width="75%" data-display="block"><span class="bre-media-figure _note-exclude" itemscope itemtype="https://schema.org/ImageObject" itemprop="image"><!--[--><span class="bre-media-image-container"><meta itemprop="name" content="𝑝, 𝑇-диаграмма состояния вещества"><meta itemprop="caption" content="𝑝, 𝑇-диаграмма состояния вещества."><meta itemprop="copyrightNotice" content="БРЭ. Т. 6"><!----><span class="tw-flex tw-w-full" style=""><img src="https://i.bigenc.ru/resizer/resize?sign=5s8aXqK8bz4BVOuk0OORvQ&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=120" onerror="this.setAttribute(&#39;data-error&#39;, 1)" alt="𝑝, 𝑇-диаграмма состояния вещества" data-nuxt-img sizes="640px" srcset="https://i.bigenc.ru/resizer/resize?sign=5s8aXqK8bz4BVOuk0OORvQ&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=120 120w,https://i.bigenc.ru/resizer/resize?sign=WX-05or0emqCFEpr1U4o6g&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=320 320w,https://i.bigenc.ru/resizer/resize?sign=tt8i6_kb-ml2lz4wx0Z4rA&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=480 480w,https://i.bigenc.ru/resizer/resize?sign=H9LIuVE4NT2y7Wm4BJw5hg&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=640 640w,https://i.bigenc.ru/resizer/resize?sign=KcYjuVOQnrDaq44GH2_LWg&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=768 768w,https://i.bigenc.ru/resizer/resize?sign=gsHYiPa1tszRdN5cy-SpKQ&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=1024 1024w,https://i.bigenc.ru/resizer/resize?sign=5N_JWz2KkgmrtiPF6nwATg&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=1280 1280w,https://i.bigenc.ru/resizer/resize?sign=Nz5ie1e641CwCab8G2AVHA&amp;filename=vault/79e366915d43a700a347919d80ef954e.webp&amp;width=1920 1920w" title="𝑝, 𝑇-диаграмма состояния вещества" class="" itemprop="contentUrl"></span><!----></span><!--]--><span class="bre-media-caption"><span class="bre-media-caption-content"><!----><span class="bre-media-caption__text"><span data-v-tippy><!--[--><!--[--><span class="tw-line-clamp-3">𝑝, 𝑇-диаграмма состояния вещества.</span><!--]--><!--]--><span style="display:none;" class=""><span>𝑝, 𝑇-диаграмма состояния вещества.</span></span></span></span><!----></span><!----></span></span><!----><!----></span>При температурах ниже критической <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>кр</mtext></msub></mrow><annotation encoding="application/x-tex">T_{кр}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9694em;vertical-align:-0.2861em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">кр</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2861em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span> (<a href="/c/kriticheskoe-sostoianie-veshchestva-f8c0a1" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->критическое состояние вещества<!--]--><!--]--><!----></a>) эта область ограничена кривыми сублимации I и <a href="/c/paroobrazovanie-7e5a2c" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->парообразования<!--]--><!--]--><!----></a> II. В состояниях на кривой I (ниже <a href="/c/troinaia-tochka-212b87" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->тройной точки<!--]--><!--]--><!----></a> <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>тр</mtext></msub></mrow><annotation encoding="application/x-tex">T_{тр}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9694em;vertical-align:-0.2861em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">тр</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2861em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span>) газ находится в равновесии с твёрдой фазой, а на кривой II (между <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>тр</mtext></msub></mrow><annotation encoding="application/x-tex">T_{тр}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9694em;vertical-align:-0.2861em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">тр</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2861em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span> <br>и <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>кр</mtext></msub></mrow><annotation encoding="application/x-tex">T_{кр}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9694em;vertical-align:-0.2861em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">кр</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2861em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span>) – с жидкой фазой. Газ в этих состояниях обычно называют <a href="/c/par-c10caf" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->паром<!--]--><!--]--><!----></a> вещества. При переходе через эти кривые пар конденсируется, переходя в твёрдое или жидкое состояние. Процессы конденсации газов, особенно <a href="/c/szhizhenie-gazov-a4204e" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->сжижение газов<!--]--><!--]--><!----></a>, имеют важное техническое значение.</p><p>При <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>T</mi></mrow><annotation encoding="application/x-tex">T</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">T</span></span></span></span></span><!----></span><i> &gt; </i><span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>кр</mtext></msub></mrow><annotation encoding="application/x-tex">T_{кр}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9694em;vertical-align:-0.2861em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">кр</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2861em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span> фазовые превращения не происходят, и иногда за условную границу между газом и жидкостью принимают критическую <a href="/c/izokhora-c1b9d1" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->изохору<!--]--><!--]--><!----></a> вещества, в непосредственной близости от которой свойства вещества изменяются особенно быстро.</p><p>Свойства газа при изменении температуры и давления могут меняться в широких пределах. Так, в нормальных условиях (при 0 °C и атмосферном давлении) плотность газа примерно в 1000 раз меньше плотности того же вещества в твёрдом или жидком состоянии. При комнатной температуре и высоком <a href="/c/vakuum-fizicheskii-dec89a" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->вакууме<!--]--><!--]--><!----></a> плотность газа может составлять 10<sup>−17</sup> кг/м<sup>3</sup>. В космическом пространстве плотность газа может быть ещё на 10 порядков меньше <br>(10<sup>−27</sup> кг/м<sup>3</sup>). При весьма высоких давлениях вещество, которое при <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>T</mi></mrow><annotation encoding="application/x-tex">T</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">T</span></span></span></span></span><!----></span> <i>&gt; </i><span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>кр</mtext></msub></mrow><annotation encoding="application/x-tex">T_{кр}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9694em;vertical-align:-0.2861em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">кр</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2861em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span> можно считать газом, обладает огромной плотностью (например, в центре некоторых звёзд плотность порядка 10<sup>12</sup> кг/м<sup>3</sup>). В зависимости от условий в широких пределах изменяются и другие свойства газа.</p><h2 id="h2_ideal&#39;nыi_gaz">Идеальный газ</h2><p>Для описания изменения плотности газа с температурой и давлением используются различные <a href="/c/uravnenie-sostoianiia-029486" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->уравнения состояния<!--]--><!--]--><!----></a> – либо эмпирические, либо основанные на некоторых физических моделях газа. В частности, молекулярно-кинетическая теория рассматривает газ как совокупность слабо взаимодействующих молекул или атомов, находящихся в хаотическом (тепловом) движении. На основе этих простых представлений удаётся объяснить основные физические свойства газа, особенно полно – свойства разреженных газов. Газ, молекулы которого рассматриваются как не взаимодействующие друг с другом материальные точки, называется <a href="/c/ideal-nyi-gaz-52a618" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->идеальным газом<!--]--><!--]--><!----></a>.</p><p>Для разреженных газов широко применяется уравнение состояния идеального газа, называемое <a href="/c/uravnenie-klapeirona-911229" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->уравнением Клапейрона<!--]--><!--]--><!----></a>: <br><span class="bre-formula _note-exclude" data-display="block"><span class="bre-formula__content"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mi>p</mi><mi>v</mi><mo>=</mo><mi>R</mi><mi>T</mi><mspace width="2em"/><mo stretchy="false">(</mo><mn>1</mn><mo stretchy="false">)</mo><mo separator="true">,</mo></mrow><annotation encoding="application/x-tex"> pv=RT \qquad (1),</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">p</span><span class="mord mathnormal" style="margin-right:0.03588em;">v</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">RT</span><span class="mspace" style="margin-right:2em;"></span><span class="mopen">(</span><span class="mord">1</span><span class="mclose">)</span><span class="mpunct">,</span></span></span></span></span></span><!----></span>где <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>R</mi></mrow><annotation encoding="application/x-tex">R</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.00773em;">R</span></span></span></span></span><!----></span> – <a href="/c/universal-naia-gazovaia-postoiannaia-464001" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->универсальная газовая постоянная<!--]--><!--]--><!----></a>, <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>v</mi></mrow><annotation encoding="application/x-tex">v</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.03588em;">v</span></span></span></span></span><!----></span><i> –</i> объём 1 моля газа. Уравнение Клапейрона обобщает эмпирические газовые законы (<a href="/c/zakon-boilia-mariotta-c2bec2" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->закон Бойля – Мариотта<!--]--><!--]--><!----></a>, <a href="/c/zakon-gei-liussaka-76f410" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->законы Гей-Люссака<!--]--><!--]--><!----></a>). Из уравнения (1) следует, что при одинаковых <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>p</mi></mrow><annotation encoding="application/x-tex">p</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">p</span></span></span></span></span><!----></span> и <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>T</mi></mrow><annotation encoding="application/x-tex">T</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">T</span></span></span></span></span><!----></span> идеальные газы, взятые в количестве 1 моля, имеют равные объёмы.</p><p>С помощью дифференциальных уравнений термодинамики, зная уравнение состояния газа, можно определить зависимость его калорических свойств (<a href="/c/teploiomkost-804a20" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->теплоёмкости<!--]--><!--]--><!----></a>, <a href="/c/vnutrenniaia-energiia-07d1f7" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->внутренней энергии<!--]--><!--]--><!----></a>, <a href="/c/entropiia-989a01" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->энтропии<!--]--><!--]--><!----></a>) от плотности или давления. В частности, для идеального газа теплоёмкость и внутренняя энергия не зависят от плотности.</p><h2 id="h2_protsessы_perenosa_v gazah">Процессы переноса в газах</h2><p>При наличии градиентов температуры, давления и концентрации компонентов в газах возникают <a href="/c/iavleniia-perenosa-6d4bfd" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->процессы переноса<!--]--><!--]--><!----></a>. Молекулярно-кинетическая теория рассматривает их с единой точки зрения: <a href="/c/diffuziia-neitronov-dcaf2b" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->диффузию<!--]--><!--]--><!----></a> как перенос молекулами массы, <a href="/c/teploprovodnost-00ad4b" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->теплопроводность<!--]--><!--]--><!----></a> как перенос ими энергии, <a href="/c/viazkost-93be51" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->вязкость<!--]--><!--]--><!----></a> как перенос количества движения. Процессы переноса возникают, поскольку молекулы газа взаимодействуют (сталкиваются) между собой. Поэтому модель идеального газа для анализа явлений переноса непригодна. В простейшем случае явления переноса в газах рассматриваются для разреженного газа, молекулы которого в первом приближении считаются упругими шариками с определённым диаметром, причём эти шарики взаимодействуют друг с другом только в момент соударения. В этом приближении диаметр молекулы связан простым соотношением с её средней длиной свободного пробега <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>l</mi></mrow><annotation encoding="application/x-tex">l</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span></span></span></span></span><!----></span>. В частности, если характерный размер объёма, занимаемого газом, больше <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>l</mi></mrow><annotation encoding="application/x-tex">l</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span></span></span></span></span><!----></span>, то теплопроводность и вязкость газа не зависят от давления. Наоборот, когда <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>l</mi></mrow><annotation encoding="application/x-tex">l</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span></span></span></span></span><!----></span> больше характерного размера, теплопроводность и вязкость газа с уменьшением давления падают. На этом явлении, в частности, основаны теплоизолирующие свойства <a href="/c/sosud-d-iuara-996d68" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->сосудов Дьюара<!--]--><!--]--><!----></a>.</p><p>В более строгой молекулярной теории при анализе явлений переноса в разреженных газах учитывается взаимодействие молекул при любых расстояниях между ними. Характер взаимодействия определяется т. н. потенциалом взаимодействия (<a href="/c/mezhmolekuliarnye-vzaimodeistviia-00ca37" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->межмолекулярного взаимодействия<!--]--><!--]--><!----></a>).</p><h2 id="h2_real&#39;nыe_gazы">Реальные газы</h2><p>При повышении плотности уравнение состояния (1) оказывается неприменимым, т. к. среднее расстояния между молекулами газа становятся сравнимыми с радиусом межмолекулярного взаимодействия. Для описания термодинамических свойств неидеальных, или, как их чаще называют, реальных, газов пользуются различными уравнениями состояния. Простейшим примером уравнения, которое качественно правильно описывает основные отличия реального газа от идеального, служит <a href="/c/uravnenie-van-der-vaal-sa-7603a1" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->уравнение Ван дер Ваальса<!--]--><!--]--><!----></a>. Оно учитывает, с одной стороны, существование сил притяжения между молекулами (их действие приводит к уменьшению давления газа), с другой – сил отталкивания, препятствующих безграничному сжатию газа.</p><p>К наиболее теоретически обоснованным, во всяком случае для состояний, удалённых от критической точки, относится вириальное уравнение состояния, представляющее собой разложение в ряд по степеням величины <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>z</mi></mrow><annotation encoding="application/x-tex">z</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.4306em;"></span><span class="mord mathnormal" style="margin-right:0.04398em;">z</span></span></span></span></span><!----></span><i> </i>= <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>p</mi><mi>v</mi><mi mathvariant="normal">/</mi><mi>R</mi><mi>T</mi></mrow><annotation encoding="application/x-tex">pv/RT</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal">p</span><span class="mord mathnormal" style="margin-right:0.03588em;">v</span><span class="mord">/</span><span class="mord mathnormal" style="margin-right:0.13889em;">RT</span></span></span></span></span><!----></span>. Коэффициенты этого ряда (вириальные коэффициенты) определяются соударениями молекул (парными, тройными и более высокого порядка) и являются функциями только температуры. В газах сравнительно малой плотности наиболее вероятны парные столкновения. При т. н. температуре Бойля <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>В</mtext></msub></mrow><annotation encoding="application/x-tex">T_В</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3283em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord cyrillic_fallback mtight">В</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span> (<a href="/c/tochka-boilia-0abf28" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->точка Бойля<!--]--><!--]--><!----></a>) умеренно плотный газ ведёт себя как идеальный, т. е. подчиняется уравнению (1). Физически это означает, что при <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>T</mi><mtext>В</mtext></msub></mrow><annotation encoding="application/x-tex">T_В</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3283em;"><span style="top:-2.55em;margin-left:-0.1389em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord cyrillic_fallback mtight">В</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span> межмолекулярные силы притяжения и отталкивания практически компенсируют друг друга.</p><p>Межмолекулярное взаимодействие в той или иной степени сказывается на всех свойствах реальных газов. Внутренняя энергия реального газа оказывается зависящей от плотности или давления. Это взаимодействие определяет изменение температуры реального газа при адиабатическом расширении без совершения работы, называемом <a href="/c/drosselirovanie-7d1287" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->дросселированием<!--]--><!--]--><!----></a>. Мерой изменения температуры газа при дросселировании служит коэффициент Джоуля – Томсона, который в зависимости от условий может быть положительным (охлаждение газа), отрицательным (нагрев газа) либо равным нулю при т. н. температуре инверсии (<a href="/c/effekt-dzhoulia-tomsona-ab06d5" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->эффект Джоуля – Томсона<!--]--><!--]--><!----></a>). Эффект охлаждения газа при дросселировании применяется в технике сжижения газов.</p><p>Внутреннее строение молекул слабо влияет на уравнение состояния газа. Напротив, калорические свойства газа, а также его электрические и магнитные свойства существенно зависят от внутреннего строения молекул: наличия колебаний атомов в молекуле, различных форм вращения, возбуждения электронных уровней (т. е. числа внутренних степеней свободы <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>i</mi><mtext>вн</mtext></msub></mrow><annotation encoding="application/x-tex">i_{вн}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8095em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal">i</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">вн</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span>). В соответствии с <a href="/c/zakon-ravnoraspredeleniia-ee4bc0" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->законом равнораспределения<!--]--><!--]--><!----></a> на каждую степень свободы молекулы газа приходится одинаковая энергия. Отсюда теплоёмкость <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>c</mi><mi>v</mi></msub></mrow><annotation encoding="application/x-tex">c_v</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.5806em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal">c</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight" style="margin-right:0.03588em;">v</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span> 1 моля идеального газа равна <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">(</mo><msub><mi>i</mi><mtext>вн</mtext></msub><mi mathvariant="normal">/</mi><mn>2</mn><mo stretchy="false">)</mo><mi>R</mi></mrow><annotation encoding="application/x-tex">(i_{вн}/2)R</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">(</span><span class="mord"><span class="mord mathnormal">i</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord cyrillic_fallback mtight">вн</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord">/2</span><span class="mclose">)</span><span class="mord mathnormal" style="margin-right:0.00773em;">R</span></span></span></span></span><!----></span>.</p><p>Для расчёта зависимости калорических свойств газа от температуры необходимо знать уровни энергии молекулы, сведения о которых в большинстве случаев получают из анализа спектров газа. Для большого числа веществ в приближении идеального газа калорические свойства вычислены с высокой точностью и их значения представлены в виде таблиц.</p><p>Электрические свойства газа связаны в первую очередь с возможностью <a href="/c/ionizatsiia-03bfec" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->ионизации<!--]--><!--]--><!----></a> молекул или атомов, т. е. с появлением в газе электрически заряженных частиц (ионов и электронов). При отсутствии заряженных частиц газы являются хорошими <a href="/c/dielektriki-f7886d" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->диэлектриками<!--]--><!--]--><!----></a>. С ростом концентрации зарядов <a href="/c/elektricheskaia-provodimost-032955" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->электрическая проводимость<!--]--><!--]--><!----></a> газов увеличивается (<a href="/c/elektricheskie-razriady-v-gazakh-43523d" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->электрические разряды в газах<!--]--><!--]--><!----></a>).</p><p>При температурах начиная с нескольких тысяч градусов всякий газ частично ионизуется и превращается в <a href="/c/plazma-0c9643" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->плазму<!--]--><!--]--><!----></a>. Если концентрация зарядов в плазме невелика, то её свойства мало отличаются от свойств обычного газа.</p><p>По магнитным свойствам газы делятся на диамагнитные (к ним относятся, например, <a href="/c/blagorodnye-gazy-7134d4" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->благородные газы<!--]--><!--]--><!----></a>, <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>H</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">H_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.08125em;">H</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:-0.0813em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span>, <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>N</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">N_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.10903em;">N</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:-0.109em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span>, <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">CO_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8333em;vertical-align:-0.15em;"></span><span class="mord mathnormal" style="margin-right:0.07153em;">C</span><span class="mord"><span class="mord mathnormal" style="margin-right:0.02778em;">O</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:-0.0278em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span>, пары́ H<sub>2</sub>O) и парамагнитные (например, <span class="bre-formula _note-exclude" data-display="inline"><span class="bre-formula__content"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>O</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">O_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.02778em;">O</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.3011em;"><span style="top:-2.55em;margin-left:-0.0278em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span></span><!----></span>). <a href="/c/diamagnetik-7a1342" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->Диамагнитными<!--]--><!--]--><!----></a> являются газы, молекулы которых не имеют постоянного магнитного момента и приобретают его лишь под влиянием внешнего поля. Газы, у которых молекулы обладают постоянным <a href="/c/magnitnyi-moment-9fe8d5" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->магнитным моментом<!--]--><!--]--><!----></a>, во внешнем <a href="/c/magnitnoe-pole-c3384f" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->магнитном поле<!--]--><!--]--><!----></a> ведут себя как <a href="/c/paramagnetik-e08ea5" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->парамагнетики<!--]--><!--]--><!----></a>.</p><p>Учёт межмолекулярного взаимодействия и внутреннего строения молекул необходим при решении многих проблем физики газов, например при исследовании влияния верхних разреженных слоёв атмосферы на движение ракет и спутников (<a href="/c/gazovaia-dinamika-f54512" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->газовая динамика<!--]--><!--]--><!----></a>, <a href="/c/dinamika-razrezhennykh-gazov-7f45b2" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->динамика разреженных газов<!--]--><!--]--><!----></a>).</p><p>В современной физике газом называют не только одно из агрегатных состояний вещества. К газам с особыми свойствами (<a href="/c/kvantovyi-gaz-5f088e" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->квантовым газам<!--]--><!--]--><!----></a>) относят, например, совокупность свободных электронов в металле (<a href="/c/elektronnyi-gaz-c388e6" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->электронный газ<!--]--><!--]--><!----></a>), <a href="/c/fonon-8aafa7" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->фононов<!--]--><!--]--><!----></a> в жидком гелии (фононный газ). Свойства <a href="/c/boze-gaz-ac5a9b" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->бозе-газов<!--]--><!--]--><!----></a> (например, газы фотонов, <i>π</i>-мезонов, фононов) описывает квантовая <a href="/c/statistika-boze-einshteina-3e1d90" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->статистика Бозе – Эйнштейна<!--]--><!--]--><!----></a>, свойства <a href="/c/fermi-gaz-6714b1" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->ферми-газов<!--]--><!--]--><!----></a> (например, газ электронов, нейтронов, нейтрино, дырок проводимости и др.) рассматривает квантовая <a href="/c/statistika-fermi-diraka-8498d7" class="bre-preview-link" itemprop="url" data-external="false"><!--[--><!--[-->статистика Ферми – Дирака<!--]--><!--]--><!----></a>.</p><span itemscope itemprop="author" itemtype="https://schema.org/Person" class="-text-caption-2-italic tw-justify-end tw-mt-4 tw-mb-10 author _note-exclude"><a href="/a/ee-shpilrayn-86e06c" class=""><span itemprop="name">Шпильрайн Эвальд Эмильевич</span></a></span></section></section><!--]--></div><span class="bre-inline-menu _article-meta" style=""><meta itemprop="description" content="Газ, агрегатное состояние вещества, в котором его атомы или молекулы не связаны или очень слабо связаны силами взаимодействия и заполняют весь..."><span><span class="bre-inline-menu__item _article-meta max-md:tw-block"><!--[-->Опубликовано <!--]--><span itemprop="datePublished">18 мая 2023 г. в 15:38 (GMT+3). </span></span><span class="bre-inline-menu__item _article-meta max-md:tw-block"> Последнее обновление <span itemprop="dateModified">18 мая 2023 г. в 15:38 (GMT+3).</span></span></span><span class="-flex-divider"></span><span class="bre-inline-menu__item tw-items-start"><button type="button" class="b-button tw-gap-2 b-button--link -text-button-text tw-rounded-lg tw-cursor-pointer" data-v-cfbedafc><!----><span class="c-button__content" data-v-cfbedafc><!--[-->Связаться с редакцией<!--]--></span></button></span></span></div></div><div class="bre-tags-wrap"><!--[--><span data-v-063d9480><a href="/l/real-nye-gazy-i-ikh-zakony-3d1f45" class="bre-article-tag bre-article-tag__link _default _no-border" data-v-063d9480>#Реальные газы и их законы</a><!----></span><!--]--></div></div><aside class="bre-article-page__sidebar -show-on-desktop-s" style=""><!----><nav class="bre-article-loc lg:tw-sticky"><div class="bre-article-loc-button"><span class="bre-article-loc-title">Содержание</span><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-primary-black"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 9l6 6 6-6" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/></svg> </span><div class="bre-article-loc-short">Идеальный газ</div></div><!----></nav><div class="bre-article-page__sidebar-wrapper"><div class="article-sidebar"><div class="article-sidebar-button -show-on-tablet -hide-on-desktop-s"><span class="article-sidebar-title">Информация</span><span class="nuxt-icon _no-icon-margin tw-text-2xl tw-text-primary-black"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 9l6 6 6-6" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/></svg> </span><!--[--><div class="article-sidebar-text -show-on-tablet -hide-on-desktop-s"></div><!--]--></div><div class="article-sidebar-wrapper -hide-on-tablet"><!----><!----><!----><span class="bre-media-image article-sidebar-image _note-exclude _clean" data-width="100%" data-display="block"><span class="bre-media-figure _note-exclude _clean" itemscope itemtype="https://schema.org/ImageObject" itemprop="image"><!--[--><span class="bre-media-image-container _placeholder"><meta itemprop="name" content="Физика"><meta itemprop="caption" content="Физика. 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