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title="Cerca a la Viquipèdia [f]" accesskey="f"> <span class="search-box-icon-overlay"><span class="minerva-icon minerva-icon--search"></span> </span> </div><button id="searchIcon" class="cdx-button cdx-button--size-large cdx-button--icon-only cdx-button--weight-quiet skin-minerva-search-trigger"> <span class="minerva-icon minerva-icon--search"></span> <span>Cerca</span> </button> </form> <nav class="minerva-user-navigation" aria-label="User navigation"> </nav> </div> </header> <main id="content" class="mw-body"> <div class="banner-container"> <div id="siteNotice">  </div> </div> <div class="pre-content heading-holder"> <div class="page-heading"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Reacció exotèrmica</span></h1> <div class="tagline"></div> </div> <nav class="page-actions-menu"> <ul id="p-views" class="page-actions-menu__list"> <li id="language-selector" class="page-actions-menu__list-item"><a role="button" 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<span>Vigila</span> </a></li> <li id="page-actions-edit" class="page-actions-menu__list-item"><a role="button" id="ca-edit" href="https://ca-m-wikipedia-org.translate.goog/w/index.php?title=Reacci%C3%B3_exot%C3%A8rmica&action=edit&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-event-name="menu.edit" data-mw="interface" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet edit-page menu__item--page-actions-edit"> <span class="minerva-icon minerva-icon--edit"></span> <span>Modifica</span> </a></li> </ul> </nav> <div id="mw-content-subtitle"></div> </div> <div id="bodyContent" class="content"> <div id="mw-content-text" class="mw-body-content"> <script>function mfTempOpenSection(id){var block=document.getElementById("mf-section-"+id);block.className+=" open-block";block.previousSibling.className+=" open-block";}</script> <div class="mw-content-ltr mw-parser-output" lang="ca" dir="ltr"> <section class="mf-section-0" id="mf-section-0"> <p>Una <b>reacció exotèrmica</b> és aquella que desprèn <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Energia?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Energia">energia</a> en forma de <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Calor?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Calor">calor</a>. La variació d'<a href="https://ca-m-wikipedia-org.translate.goog/wiki/Entalpia?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Entalpia">entalpia</a> és negativa. És l'oposat d'una <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_endot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Reacció endotèrmica">reacció endotèrmica</a>. Es pot expressar amb la següent <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Equaci%C3%B3_qu%C3%ADmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Equació química">equació química</a>;</p> <dl> <dd> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"> <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle reactius\rightarrow \;productes+energia}"><semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi> r </mi> <mi> e </mi> <mi> a </mi> <mi> c </mi> <mi> t </mi> <mi> i </mi> <mi> u </mi> <mi> s </mi> <mo stretchy="false"> → </mo> <mspace width="thickmathspace"></mspace> <mi> p </mi> <mi> r </mi> <mi> o </mi> <mi> d </mi> <mi> u </mi> <mi> c </mi> <mi> t </mi> <mi> e </mi> <mi> s </mi> <mo> + </mo> <mi> e </mi> <mi> n </mi> <mi> e </mi> <mi> r </mi> <mi> g </mi> <mi> i </mi> <mi> a </mi> </mstyle> </mrow> <annotation encoding="application/x-tex"> {\displaystyle reactius\rightarrow \;productes+energia} </annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/54a42b75512d60d2da397f15e9bf318bf11a4223" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:33.201ex; height:2.509ex;" alt="{\displaystyle reactius\rightarrow \;productes+energia}"></span> </dd> </dl> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"> <input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none"> <div class="toctitle" lang="ca" dir="ltr"> <h2 id="mw-toc-heading">Contingut</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span> </div> <ul> <li class="toclevel-1 tocsection-1"><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_exot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#Definici%C3%B3"><span class="tocnumber">1</span> <span class="toctext">Definició</span></a></li> <li class="toclevel-1 tocsection-2"><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_exot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#Exemples"><span class="tocnumber">2</span> <span class="toctext">Exemples</span></a></li> <li class="toclevel-1 tocsection-3"><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_exot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#Refer%C3%A8ncies"><span class="tocnumber">3</span> <span class="toctext">Referències</span></a></li> <li class="toclevel-1 tocsection-4"><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_exot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#Vegeu_tamb%C3%A9"><span class="tocnumber">4</span> <span class="toctext">Vegeu també</span></a></li> </ul> </div> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(1)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="Definició"><span id="Definici.C3.B3"></span>Definició</h2><span class="mw-editsection"> <a role="button" href="https://ca-m-wikipedia-org.translate.goog/w/index.php?title=Reacci%C3%B3_exot%C3%A8rmica&action=edit&section=1&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Modifica la secció: Definició" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>modifica</span> </a> </span> </div> <section class="mf-section-1 collapsible-block" id="mf-section-1"> <p>Les reaccions exotèrmiques alliberen <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Calor?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Calor">calor</a> al seu entorn, o dit d'una altra manera: l'energia necessària per iniciar la reacció és menor a l'energia total alliberada (que pot ésser en forma de calor o de llum). L'energia mínima necessària per iniciar la reacció s'anomena <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Energia_d%27activaci%C3%B3?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Energia d'activació">energia d'activació</a></p> <p>Una altra manera de definir-ho podria ser fent referència al fet que els productes són més estables que els reactius.</p> <p>La quantitat absoluta d'energia d'un sistema químic és molt difícil de calcular, però existeix un sistema més senzill per saber la quantitat d'energia alliberada: l'entalpia (H). Sempre que la transformació tingui lloc a pressió constant.</p> <p>Si ΔH és negativa (:<i>∆<a href="https://ca-m-wikipedia-org.translate.goog/wiki/Entalpia?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Entalpia">H</a> < 0</i>), és una reacció exotèrmica, mentre que si és positiva serà una <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_endot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Reacció endotèrmica">reacció endotèrmica</a>.</p> <p>Si la reacció es porta a terme a volum constant s'utilitza l'<a href="https://ca-m-wikipedia-org.translate.goog/wiki/Energia_interna?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Energia interna">energia interna</a> i per una reacció exotèrmica la variació d'<a href="https://ca-m-wikipedia-org.translate.goog/wiki/Energia_interna?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Energia interna">energia interna</a> és negativa(:<i>∆<a href="https://ca-m-wikipedia-org.translate.goog/wiki/Energia_interna?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Energia interna">U</a> < 0</i>)</p> <p>En un sistema <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Adiab%C3%A0tic?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Adiabàtic">adiabàtic</a> (un sistema que no cedeix calor a l'exterior), un procés exotèrmic augmenta la temperatura del sistema.<sup id="cite_ref-1" class="reference"><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_exot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></p> <p><br></p> <figure class="mw-default-size" typeof="mw:File/Thumb"> <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Fitxer:Exotermica.png?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-file-description"> <noscript> <img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Exotermica.png/220px-Exotermica.png" decoding="async" width="220" height="113" class="mw-file-element" data-file-width="767" data-file-height="394"> </noscript><span class="lazy-image-placeholder" style="width: 220px;height: 113px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Exotermica.png/220px-Exotermica.png" data-width="220" data-height="113" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Exotermica.png/330px-Exotermica.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/04/Exotermica.png/440px-Exotermica.png 2x" data-class="mw-file-element"> </span></a> <figcaption> Perfil de reacció exortèrmica </figcaption> </figure> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(2)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="Exemples">Exemples</h2><span class="mw-editsection"> <a role="button" href="https://ca-m-wikipedia-org.translate.goog/w/index.php?title=Reacci%C3%B3_exot%C3%A8rmica&action=edit&section=2&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Modifica la secció: Exemples" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>modifica</span> </a> </span> </div> <section class="mf-section-2 collapsible-block" id="mf-section-2"> <p>Alguns exemples de reaccions exotèrmiques són;</p> <ul> <li>La <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Combusti%C3%B3?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Combustió">combustió</a> <dl> <dd> Per exemple la combustió del propà amb oxigen dona; </dd> <dd> C₃H₈ + 5O₂ → 3CO₂ + 4H₂O + energia </dd> </dl></li> <li>Reaccions de <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Neutralitzaci%C3%B3?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-disambig" title="Neutralització">neutralització</a>.</li> <li>Afegir un <a href="https://ca-m-wikipedia-org.translate.goog/wiki/%C3%80cid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Àcid">àcid</a> concentrat a l'<a href="https://ca-m-wikipedia-org.translate.goog/wiki/Aigua?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Aigua">aigua</a>.</li> <li>Afegir aigua al <a href="https://ca-m-wikipedia-org.translate.goog/wiki/Sulfat_de_coure(II)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Sulfat de coure(II)">sulfat de coure(II)</a> anhidre.</li> </ul> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(3)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="Referències"><span id="Refer.C3.A8ncies"></span>Referències</h2><span class="mw-editsection"> <a role="button" href="https://ca-m-wikipedia-org.translate.goog/w/index.php?title=Reacci%C3%B3_exot%C3%A8rmica&action=edit&section=3&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Modifica la secció: Referències" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>modifica</span> </a> </span> </div> <section class="mf-section-3 collapsible-block" id="mf-section-3"> <div class="reflist {{#if: | references-column-count references-column-count-{{{col}}}" style="list-style-type: decimal;"> <div class="mw-references-wrap"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_exot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-1">↑</a></span> <span class="reference-text"><span class="citation book" style="font-style:normal" id="CITEREFPerrot1998"><span style="font-variant: small-caps;">Perrot</span>, Pierre. <i>A to Z of Thermodynamics</i>. Oxford University Press, 1998. <span style="font-size:90%; white-space:nowrap;"><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Especial:Fonts_bibliogr%C3%A0fiques/0-19-856552-6?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Especial:Fonts bibliogràfiques/0-19-856552-6">ISBN 0-19-856552-6</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=A+to+Z+of+Thermodynamics&rft.aulast=Perrot&rft.aufirst=Pierre&rft.date=1998&rft.pub=Oxford+University+Press&rft.isbn=0-19-856552-6"><span style="display: none;"> </span></span></span></li> </ol> </div> </div> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(4)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="Vegeu_també"><span id="Vegeu_tamb.C3.A9"></span>Vegeu també</h2><span class="mw-editsection"> <a role="button" href="https://ca-m-wikipedia-org.translate.goog/w/index.php?title=Reacci%C3%B3_exot%C3%A8rmica&action=edit&section=4&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Modifica la secció: Vegeu també" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>modifica</span> </a> </span> </div> <section class="mf-section-4 collapsible-block" id="mf-section-4"> <ul> <li><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Reacci%C3%B3_endot%C3%A8rmica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Reacció endotèrmica">Reacció endotèrmica</a></li> <li><a href="https://ca-m-wikipedia-org.translate.goog/wiki/Combusti%C3%B3?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Combustió">Combustió</a></li> </ul>   </section> </div> <noscript> <img src="https://login.m.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&mobile=1" alt="" 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data-language-local-name="txec" class="interlanguage-link-target"><span>Čeština</span></a></li> <li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://cy.wikipedia.org/wiki/Adwaith_ecsothermig" title="Adwaith ecsothermig - gal·lès" lang="cy" hreflang="cy" data-title="Adwaith ecsothermig" data-language-autonym="Cymraeg" data-language-local-name="gal·lès" class="interlanguage-link-target"><span>Cymraeg</span></a></li> <li class="interlanguage-link interwiki-da mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://da.wikipedia.org/wiki/Exoterm" title="Exoterm - danès" lang="da" hreflang="da" data-title="Exoterm" data-language-autonym="Dansk" data-language-local-name="danès" class="interlanguage-link-target"><span>Dansk</span></a></li> <li class="interlanguage-link interwiki-de mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://de.wikipedia.org/wiki/Exotherme_Reaktion" title="Exotherme Reaktion - alemany" lang="de" hreflang="de" data-title="Exotherme Reaktion" data-language-autonym="Deutsch" data-language-local-name="alemany" class="interlanguage-link-target"><span>Deutsch</span></a></li> <li class="interlanguage-link interwiki-el mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://el.wikipedia.org/wiki/%25CE%2595%25CE%25BE%25CF%258E%25CE%25B8%25CE%25B5%25CF%2581%25CE%25BC%25CE%25B7_%25CE%25B1%25CE%25BD%25CF%2584%25CE%25AF%25CE%25B4%25CF%2581%25CE%25B1%25CF%2583%25CE%25B7" title="Εξώθερμη αντίδραση - grec" lang="el" hreflang="el" data-title="Εξώθερμη αντίδραση" data-language-autonym="Ελληνικά" data-language-local-name="grec" class="interlanguage-link-target"><span>Ελληνικά</span></a></li> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://en.wikipedia.org/wiki/Exothermic_reaction" title="Exothermic reaction - anglès" lang="en" hreflang="en" data-title="Exothermic reaction" data-language-autonym="English" data-language-local-name="anglès" class="interlanguage-link-target"><span>English</span></a></li> <li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://eo.wikipedia.org/wiki/Ekzoterma_reakcio" title="Ekzoterma reakcio - esperanto" lang="eo" hreflang="eo" data-title="Ekzoterma reakcio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li> <li class="interlanguage-link interwiki-es mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://es.wikipedia.org/wiki/Reacci%25C3%25B3n_exot%25C3%25A9rmica" title="Reacción exotérmica - espanyol" lang="es" hreflang="es" data-title="Reacción exotérmica" data-language-autonym="Español" data-language-local-name="espanyol" class="interlanguage-link-target"><span>Español</span></a></li> <li class="interlanguage-link interwiki-et mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://et.wikipedia.org/wiki/Eksotermiline_reaktsioon" title="Eksotermiline reaktsioon - estonià" lang="et" hreflang="et" data-title="Eksotermiline reaktsioon" data-language-autonym="Eesti" data-language-local-name="estonià" class="interlanguage-link-target"><span>Eesti</span></a></li> <li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://eu.wikipedia.org/wiki/Erreakzio_exotermiko" title="Erreakzio exotermiko - basc" lang="eu" hreflang="eu" data-title="Erreakzio exotermiko" data-language-autonym="Euskara" data-language-local-name="basc" class="interlanguage-link-target"><span>Euskara</span></a></li> <li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://fa.wikipedia.org/wiki/%25D9%2588%25D8%25A7%25DA%25A9%25D9%2586%25D8%25B4_%25DA%25AF%25D8%25B1%25D9%2585%25D8%25A7%25D8%25AF%25D9%2587" title="واکنش گرماده - persa" lang="fa" hreflang="fa" data-title="واکنش گرماده" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li> <li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://fi.wikipedia.org/wiki/Eksoterminen_reaktio" title="Eksoterminen reaktio - finès" lang="fi" hreflang="fi" data-title="Eksoterminen reaktio" data-language-autonym="Suomi" data-language-local-name="finès" class="interlanguage-link-target"><span>Suomi</span></a></li> <li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://fr.wikipedia.org/wiki/R%25C3%25A9action_exothermique" title="Réaction exothermique - francès" lang="fr" hreflang="fr" data-title="Réaction exothermique" data-language-autonym="Français" data-language-local-name="francès" class="interlanguage-link-target"><span>Français</span></a></li> <li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://gl.wikipedia.org/wiki/Reacci%25C3%25B3n_exot%25C3%25A9rmica" title="Reacción exotérmica - gallec" lang="gl" hreflang="gl" data-title="Reacción exotérmica" data-language-autonym="Galego" data-language-local-name="gallec" class="interlanguage-link-target"><span>Galego</span></a></li> <li class="interlanguage-link interwiki-he mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://he.wikipedia.org/wiki/%25D7%25AA%25D7%2592%25D7%2595%25D7%2591%25D7%2594_%25D7%2590%25D7%25A7%25D7%25A1%25D7%2595%25D7%25AA%25D7%25A8%25D7%259E%25D7%2599%25D7%25AA" title="תגובה אקסותרמית - hebreu" lang="he" hreflang="he" data-title="תגובה אקסותרמית" data-language-autonym="עברית" data-language-local-name="hebreu" class="interlanguage-link-target"><span>עברית</span></a></li> <li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://hi.wikipedia.org/wiki/%25E0%25A4%258A%25E0%25A4%25B7%25E0%25A5%258D%25E0%25A4%25AE%25E0%25A4%25BE%25E0%25A4%2595%25E0%25A5%258D%25E0%25A4%25B7%25E0%25A5%2587%25E0%25A4%25AA%25E0%25A5%2580_%25E0%25A4%2585%25E0%25A4%25AD%25E0%25A4%25BF%25E0%25A4%2595%25E0%25A5%258D%25E0%25A4%25B0%25E0%25A4%25BF%25E0%25A4%25AF%25E0%25A4%25BE" title="ऊष्माक्षेपी अभिक्रिया - hindi" lang="hi" hreflang="hi" data-title="ऊष्माक्षेपी अभिक्रिया" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li> <li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ht.wikipedia.org/wiki/Reyaksyon_egzot%25C3%25A8mik" title="Reyaksyon egzotèmik - crioll d’Haití" lang="ht" hreflang="ht" data-title="Reyaksyon egzotèmik" data-language-autonym="Kreyòl ayisyen" data-language-local-name="crioll d’Haití" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li> <li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://hu.wikipedia.org/wiki/Exoterm_reakci%25C3%25B3" title="Exoterm reakció - hongarès" lang="hu" hreflang="hu" data-title="Exoterm reakció" data-language-autonym="Magyar" data-language-local-name="hongarès" class="interlanguage-link-target"><span>Magyar</span></a></li> <li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://hy.wikipedia.org/wiki/%25D5%258B%25D5%25A5%25D6%2580%25D5%25B4%25D5%25A1%25D5%25B6%25D5%25BB%25D5%25A1%25D5%25BF%25D5%25AB%25D5%25B9_%25D5%25BC%25D5%25A5%25D5%25A1%25D5%25AF%25D6%2581%25D5%25AB%25D5%25A1%25D5%25B6%25D5%25A5%25D6%2580" title="Ջերմանջատիչ ռեակցիաներ - armeni" lang="hy" hreflang="hy" data-title="Ջերմանջատիչ ռեակցիաներ" data-language-autonym="Հայերեն" data-language-local-name="armeni" class="interlanguage-link-target"><span>Հայերեն</span></a></li> <li class="interlanguage-link interwiki-id mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://id.wikipedia.org/wiki/Eksotermik" title="Eksotermik - indonesi" lang="id" hreflang="id" data-title="Eksotermik" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesi" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li> <li class="interlanguage-link interwiki-io mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://io.wikipedia.org/wiki/Exokalorala_reakto" title="Exokalorala reakto - ido" lang="io" hreflang="io" data-title="Exokalorala reakto" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li> <li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ja.wikipedia.org/wiki/%25E7%2599%25BA%25E7%2586%25B1%25E5%258F%258D%25E5%25BF%259C" title="発熱反応 - japonès" lang="ja" hreflang="ja" data-title="発熱反応" data-language-autonym="日本語" data-language-local-name="japonès" class="interlanguage-link-target"><span>日本語</span></a></li> <li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://kk.wikipedia.org/wiki/%25D0%25AD%25D0%25BA%25D0%25B7%25D0%25BE%25D1%2582%25D0%25B5%25D1%2580%25D0%25BC%25D0%25B8%25D0%25BA%25D0%25B0%25D0%25BB%25D1%258B%25D2%259B_%25D1%2580%25D0%25B5%25D0%25B0%25D0%25BA%25D1%2586%25D0%25B8%25D1%258F" title="Экзотермикалық реакция - kazakh" lang="kk" hreflang="kk" data-title="Экзотермикалық реакция" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li> <li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ko.wikipedia.org/wiki/%25EB%25B0%259C%25EC%2597%25B4_%25EB%25B0%2598%25EC%259D%2591" title="발열 반응 - coreà" lang="ko" hreflang="ko" data-title="발열 반응" data-language-autonym="한국어" data-language-local-name="coreà" class="interlanguage-link-target"><span>한국어</span></a></li> <li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://mk.wikipedia.org/wiki/%25D0%2595%25D0%25B3%25D0%25B7%25D0%25BE%25D1%2582%25D0%25B5%25D1%2580%25D0%25BC%25D0%25BD%25D0%25B0_%25D1%2580%25D0%25B5%25D0%25B0%25D0%25BA%25D1%2586%25D0%25B8%25D1%2598%25D0%25B0" title="Егзотермна реакција - macedoni" lang="mk" hreflang="mk" data-title="Егзотермна реакција" data-language-autonym="Македонски" data-language-local-name="macedoni" class="interlanguage-link-target"><span>Македонски</span></a></li> <li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ml.wikipedia.org/wiki/%25E0%25B4%25A4%25E0%25B4%25BE%25E0%25B4%25AA%25E0%25B4%25AE%25E0%25B5%258B%25E0%25B4%259A%25E0%25B4%2595_%25E0%25B4%25AA%25E0%25B5%258D%25E0%25B4%25B0%25E0%25B4%25B5%25E0%25B5%25BC%25E0%25B4%25A4%25E0%25B5%258D%25E0%25B4%25A4%25E0%25B4%25A8%25E0%25B4%2582" title="താപമോചക പ്രവർത്തനം - malaiàlam" lang="ml" hreflang="ml" data-title="താപമോചക പ്രവർത്തനം" data-language-autonym="മലയാളം" data-language-local-name="malaiàlam" class="interlanguage-link-target"><span>മലയാളം</span></a></li> <li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ms.wikipedia.org/wiki/Tindak_balas_eksotermik" title="Tindak balas eksotermik - malai" lang="ms" hreflang="ms" data-title="Tindak balas eksotermik" data-language-autonym="Bahasa Melayu" data-language-local-name="malai" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li> <li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://nn.wikipedia.org/wiki/Eksoterm_reaksjon" title="Eksoterm reaksjon - noruec nynorsk" lang="nn" hreflang="nn" data-title="Eksoterm reaksjon" data-language-autonym="Norsk nynorsk" data-language-local-name="noruec nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li> <li class="interlanguage-link interwiki-no mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://no.wikipedia.org/wiki/Eksoterm_reaksjon" title="Eksoterm reaksjon - noruec bokmål" lang="nb" hreflang="nb" data-title="Eksoterm reaksjon" data-language-autonym="Norsk bokmål" data-language-local-name="noruec bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li> <li class="interlanguage-link interwiki-om mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://om.wikipedia.org/wiki/Walnyaatinsa_hoo%2527in-baasaa" title="Walnyaatinsa hoo'in-baasaa - oromo" lang="om" hreflang="om" data-title="Walnyaatinsa hoo'in-baasaa" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li> <li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://pa.wikipedia.org/wiki/%25E0%25A8%25A4%25E0%25A8%25BE%25E0%25A8%25AA_%25E0%25A8%25A8%25E0%25A8%25BF%25E0%25A8%2595%25E0%25A8%25BE%25E0%25A8%25B8%25E0%25A9%2580_%25E0%25A8%2595%25E0%25A8%25BF%25E0%25A8%25B0%25E0%25A8%25BF%25E0%25A8%2586%25E0%25A8%25B5%25E0%25A8%25BE%25E0%25A8%2582" title="ਤਾਪ ਨਿਕਾਸੀ ਕਿਰਿਆਵਾਂ - panjabi" lang="pa" hreflang="pa" data-title="ਤਾਪ ਨਿਕਾਸੀ ਕਿਰਿਆਵਾਂ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li> <li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://pl.wikipedia.org/wiki/Reakcja_egzotermiczna" title="Reakcja egzotermiczna - polonès" lang="pl" hreflang="pl" data-title="Reakcja egzotermiczna" data-language-autonym="Polski" data-language-local-name="polonès" class="interlanguage-link-target"><span>Polski</span></a></li> <li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://pt.wikipedia.org/wiki/Rea%25C3%25A7%25C3%25A3o_exot%25C3%25A9rmica" title="Reação exotérmica - portuguès" lang="pt" hreflang="pt" data-title="Reação exotérmica" data-language-autonym="Português" data-language-local-name="portuguès" class="interlanguage-link-target"><span>Português</span></a></li> <li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ro.wikipedia.org/wiki/Reac%25C8%259Bie_exoterm%25C4%2583" title="Reacție exotermă - romanès" lang="ro" hreflang="ro" data-title="Reacție exotermă" data-language-autonym="Română" data-language-local-name="romanès" class="interlanguage-link-target"><span>Română</span></a></li> <li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ru.wikipedia.org/wiki/%25D0%25AD%25D0%25BA%25D0%25B7%25D0%25BE%25D1%2582%25D0%25B5%25D1%2580%25D0%25BC%25D0%25B8%25D1%2587%25D0%25B5%25D1%2581%25D0%25BA%25D0%25B8%25D0%25B5_%25D1%2580%25D0%25B5%25D0%25B0%25D0%25BA%25D1%2586%25D0%25B8%25D0%25B8" title="Экзотермические реакции - rus" lang="ru" hreflang="ru" data-title="Экзотермические реакции" data-language-autonym="Русский" data-language-local-name="rus" class="interlanguage-link-target"><span>Русский</span></a></li> <li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://simple.wikipedia.org/wiki/Exothermic_reaction" title="Exothermic reaction - Simple English" lang="en-simple" hreflang="en-simple" data-title="Exothermic reaction" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li> <li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://sk.wikipedia.org/wiki/Exotermick%25C3%25A1_reakcia" title="Exotermická reakcia - eslovac" lang="sk" hreflang="sk" data-title="Exotermická reakcia" data-language-autonym="Slovenčina" data-language-local-name="eslovac" class="interlanguage-link-target"><span>Slovenčina</span></a></li> <li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://sl.wikipedia.org/wiki/Eksotermna_reakcija" title="Eksotermna reakcija - eslovè" lang="sl" hreflang="sl" data-title="Eksotermna reakcija" data-language-autonym="Slovenščina" data-language-local-name="eslovè" class="interlanguage-link-target"><span>Slovenščina</span></a></li> <li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://stq.wikipedia.org/wiki/Exotherm" title="Exotherm - Saterland Frisian" lang="stq" hreflang="stq" data-title="Exotherm" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li> <li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://sv.wikipedia.org/wiki/Exoterm_reaktion" title="Exoterm reaktion - suec" lang="sv" hreflang="sv" data-title="Exoterm reaktion" data-language-autonym="Svenska" data-language-local-name="suec" class="interlanguage-link-target"><span>Svenska</span></a></li> <li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ta.wikipedia.org/wiki/%25E0%25AE%25B5%25E0%25AF%2586%25E0%25AE%25AA%25E0%25AF%258D%25E0%25AE%25AA%25E0%25AE%25AE%25E0%25AF%258D_%25E0%25AE%25B5%25E0%25AE%25BF%25E0%25AE%259F%25E0%25AF%2581_%25E0%25AE%25B5%25E0%25AE%25BF%25E0%25AE%25A9%25E0%25AF%2588" title="வெப்பம் விடு வினை - tàmil" lang="ta" hreflang="ta" data-title="வெப்பம் விடு வினை" data-language-autonym="தமிழ்" data-language-local-name="tàmil" class="interlanguage-link-target"><span>தமிழ்</span></a></li> <li class="interlanguage-link interwiki-th mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://th.wikipedia.org/wiki/%25E0%25B8%2584%25E0%25B8%25B2%25E0%25B8%25A2%25E0%25B8%2584%25E0%25B8%25A7%25E0%25B8%25B2%25E0%25B8%25A1%25E0%25B8%25A3%25E0%25B9%2589%25E0%25B8%25AD%25E0%25B8%2599" title="คายความร้อน - tai" lang="th" hreflang="th" data-title="คายความร้อน" data-language-autonym="ไทย" data-language-local-name="tai" class="interlanguage-link-target"><span>ไทย</span></a></li> <li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://tr.wikipedia.org/wiki/Ekzotermik_reaksiyon" title="Ekzotermik reaksiyon - turc" lang="tr" hreflang="tr" data-title="Ekzotermik reaksiyon" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li> <li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://uk.wikipedia.org/wiki/%25D0%2595%25D0%25BA%25D0%25B7%25D0%25BE%25D1%2582%25D0%25B5%25D1%2580%25D0%25BC%25D1%2596%25D1%2587%25D0%25BD%25D0%25B0_%25D1%2580%25D0%25B5%25D0%25B0%25D0%25BA%25D1%2586%25D1%2596%25D1%258F" title="Екзотермічна реакція - ucraïnès" lang="uk" hreflang="uk" data-title="Екзотермічна реакція" data-language-autonym="Українська" data-language-local-name="ucraïnès" class="interlanguage-link-target"><span>Українська</span></a></li> <li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ur.wikipedia.org/wiki/%25D8%25AD%25D8%25B1%25D8%25A7%25D8%25B1%25D8%25AA_%25D8%25B2%25D8%25A7_%25D8%25AA%25D8%25B9%25D8%25A7%25D9%2585%25D9%2584" title="حرارت زا تعامل - urdú" lang="ur" hreflang="ur" data-title="حرارت زا تعامل" data-language-autonym="اردو" data-language-local-name="urdú" class="interlanguage-link-target"><span>اردو</span></a></li> <li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://uz.wikipedia.org/wiki/Ekzotermik_reaksiyalar" title="Ekzotermik reaksiyalar - uzbek" lang="uz" hreflang="uz" data-title="Ekzotermik reaksiyalar" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li> <li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://vi.wikipedia.org/wiki/Ph%25E1%25BA%25A3n_%25E1%25BB%25A9ng_t%25E1%25BB%258Fa_nhi%25E1%25BB%2587t" title="Phản ứng tỏa nhiệt - vietnamita" lang="vi" hreflang="vi" data-title="Phản ứng tỏa nhiệt" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li> <li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://zh.wikipedia.org/wiki/%25E6%2594%25BE%25E7%2583%25AD%25E5%258F%258D%25E5%25BA%2594" title="放热反应 - xinès" lang="zh" hreflang="zh" data-title="放热反应" data-language-autonym="中文" data-language-local-name="xinès" class="interlanguage-link-target"><span>中文</span></a></li> <li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://zh-classical.wikipedia.org/wiki/%25E4%2586%2581%25E7%2586%25B1%25E5%258F%258D%25E6%2587%2589" title="䆁熱反應 - xinès clàssic" lang="lzh" hreflang="lzh" data-title="䆁熱反應" data-language-autonym="文言" data-language-local-name="xinès clàssic" class="interlanguage-link-target"><span>文言</span></a></li> <li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://zh-yue.wikipedia.org/wiki/%25E6%2594%25BE%25E7%2586%25B1%25E5%258F%258D%25E6%2587%2589" title="放熱反應 - cantonès" lang="yue" hreflang="yue" data-title="放熱反應" data-language-autonym="粵語" data-language-local-name="cantonès" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> </section> </div> <div class="minerva-footer-logo"> <img src="/static/images/mobile/copyright/wikipedia-wordmark-ca.svg" alt="Viquipèdia" width="120" height="23" style="width: 7.5em; height: 1.4375em;"> 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