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Available in 21 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-21" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">21 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Cola_kap_Mentos_ph%C3%B9n-si%C4%81_ch%C5%8Dng-h%C3%B3ng" title="Cola kap Mentos phùn-siā chōng-hóng – Minnan" lang="nan" hreflang="nan" data-title="Cola kap Mentos phùn-siā chōng-hóng" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Erupci%C3%B3_de_Coca-Cola_Light_i_Mentos" title="Erupció de Coca-Cola Light i Mentos – Catalan" lang="ca" hreflang="ca" data-title="Erupció de Coca-Cola Light i Mentos" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Reakce_dietn%C3%AD_Coca-Coly_a_Mentosu" title="Reakce dietní Coca-Coly a Mentosu – Czech" lang="cs" hreflang="cs" data-title="Reakce dietní Coca-Coly a Mentosu" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Mentos-udbrud" title="Mentos-udbrud – Danish" lang="da" hreflang="da" data-title="Mentos-udbrud" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Cola-Mentos-Font%C3%A4ne" title="Cola-Mentos-Fontäne – German" lang="de" hreflang="de" data-title="Cola-Mentos-Fontäne" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Erupci%C3%B3n_de_Coca-Cola_Light_y_Mentos" title="Erupción de Coca-Cola Light y Mentos – Spanish" lang="es" hreflang="es" data-title="Erupción de Coca-Cola Light y Mentos" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kolao-mentosa_efiko" title="Kolao-mentosa efiko – Esperanto" lang="eo" hreflang="eo" data-title="Kolao-mentosa efiko" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Effet_geyser_du_m%C3%A9lange_Mentos-boisson_gazeuse" title="Effet geyser du mélange Mentos-boisson gazeuse – French" lang="fr" hreflang="fr" data-title="Effet geyser du mélange Mentos-boisson gazeuse" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%87%D5%A1%D5%BF%D6%80%D5%BE%D5%A1%D5%B6_%D4%BF%D5%B8%D5%AF%D5%A1-%D4%BF%D5%B8%D5%AC%D5%A1%D5%B5%D5%AB%D6%81_%D6%87_%D5%84%D5%A5%D5%B6%D5%A9%D5%B8%D5%BD%D5%AB%D6%81" title="Շատրվան Կոկա-Կոլայից և Մենթոսից – Armenian" lang="hy" hreflang="hy" data-title="Շատրվան Կոկա-Կոլայից և Մենթոսից" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Letusan_Coca-Cola_dan_Mentos" title="Letusan Coca-Cola dan Mentos – Indonesian" lang="id" hreflang="id" data-title="Letusan Coca-Cola dan Mentos" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Eruzione_Coca-Cola_Light_e_Mentos" title="Eruzione Coca-Cola Light e Mentos – Italian" lang="it" hreflang="it" data-title="Eruzione Coca-Cola Light e Mentos" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%AA%D7%A4%D7%A8%D7%A6%D7%95%D7%AA_%D7%9B%D7%AA%D7%95%D7%A6%D7%90%D7%94_%D7%9E%D7%94%D7%AA%D7%92%D7%A8%D7%A2%D7%A0%D7%95%D7%AA" title="התפרצות כתוצאה מהתגרענות – Hebrew" lang="he" hreflang="he" data-title="התפרצות כתוצאה מהתגרענות" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ja badge-Q70893996 mw-list-item" title=""><a href="https://ja.wikipedia.org/wiki/%E3%83%A1%E3%83%B3%E3%83%88%E3%82%B9%E3%82%B3%E3%83%BC%E3%83%A9" title="メントスコーラ – Japanese" lang="ja" hreflang="ja" data-title="メントスコーラ" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Efeito_Coca-Mentos" title="Efeito Coca-Mentos – Portuguese" lang="pt" hreflang="pt" data-title="Efeito Coca-Mentos" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A4%D0%BE%D0%BD%D1%82%D0%B0%D0%BD_%D0%B8%D0%B7_%D0%BA%D0%BE%D0%BA%D0%B0-%D0%BA%D0%BE%D0%BB%D1%8B_%D0%B8_Mentos" title="Фонтан из кока-колы и Mentos – Russian" lang="ru" hreflang="ru" data-title="Фонтан из кока-колы и Mentos" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kevytkola_ja_Mentos_-purkaus" title="Kevytkola ja Mentos -purkaus – Finnish" lang="fi" hreflang="fi" data-title="Kevytkola ja Mentos -purkaus" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Mentos_och_l%C3%A4sk-utbrott" title="Mentos och läsk-utbrott – Swedish" lang="sv" hreflang="sv" data-title="Mentos och läsk-utbrott" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Diyet_kola_ve_Mentos_patlamas%C4%B1" title="Diyet kola ve Mentos patlaması – Turkish" lang="tr" hreflang="tr" data-title="Diyet kola ve Mentos patlaması" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A4%D0%BE%D0%BD%D1%82%D0%B0%D0%BD_%D0%B7_%D0%BA%D0%BE%D0%BA%D0%B0-%D0%BA%D0%BE%D0%BB%D0%B8_%D1%96_Mentos" title="Фонтан з кока-коли і Mentos – Ukrainian" lang="uk" hreflang="uk" data-title="Фонтан з кока-коли і Mentos" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ph%E1%BA%A3n_%E1%BB%A9ng_Diet_Coke_v%C3%A0_Mentos_phun_tr%C3%A0o" title="Phản ứng Diet Coke và Mentos phun trào – Vietnamese" lang="vi" hreflang="vi" data-title="Phản ứng Diet Coke và Mentos phun trào" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8F%AF%E6%A8%82%E5%8A%A0%E6%9B%BC%E9%99%80%E7%8F%A0%E5%99%B4%E7%99%BC%E7%8F%BE%E8%B1%A1" title="可樂加曼陀珠噴發現象 – Chinese" lang="zh" hreflang="zh" data-title="可樂加曼陀珠噴發現象" data-language-autonym="中文" data-language-local-name="Chinese" 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<div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Mentos_eruption&redirect=no" class="mw-redirect" title="Mentos eruption">Mentos eruption</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Eruption caused by mixing Diet Coke and Mentos</div> <p>A <b>soda geyser</b> is a <a href="/wiki/Physical_reaction" class="mw-redirect" title="Physical reaction">physical reaction</a> between a <a href="/wiki/Carbonation" title="Carbonation">carbonated</a> beverage, usually <a href="/wiki/Diet_Coke" title="Diet Coke">Diet Coke</a>, and <a href="/wiki/Mentos" title="Mentos">Mentos</a> mints that causes the beverage to be expelled from its container. The candies <a href="/wiki/Catalyze" class="mw-redirect" title="Catalyze">catalyze</a> the release of gas from the beverage, which creates an eruption that pushes most of the liquid up and out of the bottle.<sup id="cite_ref-naked_eggs_1-0" class="reference"><a href="#cite_note-naked_eggs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:1_2-0" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Lee Marek and "Marek's Kid Scientists" were the first to publicly demonstrate the experiment on the <i><a href="/wiki/Late_Show_with_David_Letterman" title="Late Show with David Letterman">Late Show with David Letterman</a></i> in 1999.<sup id="cite_ref-napervillesun_3-0" class="reference"><a href="#cite_note-napervillesun-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Steve_Spangler" title="Steve Spangler">Steve Spangler</a>'s televised demonstration of the eruption in 2005 became popular on <a href="/wiki/YouTube" title="YouTube">YouTube</a>,<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> launching a chain of several other Diet Coke and Mentos experiment viral videos.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Experiments carried out at altitudes ranging from below sea level in <a href="/wiki/Death_Valley" title="Death Valley">Death Valley</a> to the summit of <a href="/wiki/Pikes_Peak" title="Pikes Peak">Pikes Peak</a> have demonstrated that the reaction works better at higher elevations.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:2_10-0" class="reference"><a href="#cite_note-:2-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Soda_geyser&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In the 1910s,<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="A claim that soda geysers were known in the 1910s is not supported by any source and contradicts the main history line provided in the article. (June 2023)">citation needed</span></a></i>]</sup> Wint-O-Green <a href="/wiki/Life_Savers" title="Life Savers">Life Savers</a> were used to create soda geysers. The tubes of candies were threaded onto a pipe cleaner and dropped into the soft drink to create a <a href="/wiki/Geyser" title="Geyser">geyser</a>. At the end of the 1990s, the manufacturer of Wintergreen Lifesavers increased the size of the mints, and they no longer fit in the mouth of soda bottles. Science teachers found that <a href="/wiki/Mentos" title="Mentos">Mentos</a> candies had the same effect when dropped into a bottle of any carbonated soft drink.<sup id="cite_ref-naked_eggs_1-1" class="reference"><a href="#cite_note-naked_eggs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Lee Marek and "Marek's Kid Scientists" performed the Diet Coke and Mentos experiment on the <i><a href="/wiki/Late_Show_with_David_Letterman" title="Late Show with David Letterman">Late Show with David Letterman</a></i> in 1999.<sup id="cite_ref-napervillesun_3-1" class="reference"><a href="#cite_note-napervillesun-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-thetartan_12-0" class="reference"><a href="#cite_note-thetartan-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-planck_13-0" class="reference"><a href="#cite_note-planck-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> In March 2002, <a href="/wiki/Steve_Spangler" title="Steve Spangler">Steve Spangler</a>, a science educator, did the demonstration on KUSA-TV, an NBC affiliate, in <a href="/wiki/Denver" title="Denver">Denver, Colorado</a>.<sup id="cite_ref-youtube_14-0" class="reference"><a href="#cite_note-youtube-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> The Diet Coke and Mentos geyser experiment became an internet sensation in September 2005. The experiment became a subject of the television show <i><a href="/wiki/MythBusters" title="MythBusters">MythBusters</a></i> in 2006.<sup id="cite_ref-planck_13-1" class="reference"><a href="#cite_note-planck-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-mythbusters_15-0" class="reference"><a href="#cite_note-mythbusters-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Spangler signed a licensing agreement with <a href="/wiki/Perfetti_Van_Melle" title="Perfetti Van Melle">Perfetti Van Melle</a>, the maker of Mentos, after inventing an apparatus aimed to make it easier to drop the Mentos into the bottle and produce a large soda geyser.<sup id="cite_ref-denverpost_16-0" class="reference"><a href="#cite_note-denverpost-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Amazing Toys, Spangler's toy company, released the Geyser Tube toys in February 2007.<sup id="cite_ref-cnet_17-0" class="reference"><a href="#cite_note-cnet-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> In October 2010, a <a href="/wiki/Guinness_World_Record" class="mw-redirect" title="Guinness World Record">Guinness World Record</a> of 2,865 simultaneous geysers was set at an event organized by Perfetti Van Melle at the <a href="/wiki/SM_Mall_of_Asia" title="SM Mall of Asia">SM Mall of Asia</a> Complex, in <a href="/wiki/Manila" title="Manila">Manila</a>, Philippines.<sup id="cite_ref-todayifoundout_18-0" class="reference"><a href="#cite_note-todayifoundout-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> This record was afterward beaten in November 2014 by another event organized by <a href="/wiki/Perfetti_Van_Melle" title="Perfetti Van Melle">Perfetti Van Melle</a> and <a href="/wiki/Chupa_Chups" title="Chupa Chups">Chupa Chups</a> in <a href="/wiki/Le%C3%B3n,_Guanajuato" title="León, Guanajuato">León, Guanajuato</a>, Mexico, where 4,334 Mentos and soda fountains were set off simultaneously.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Chemistry">Chemistry</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Soda_geyser&action=edit&section=2" title="Edit section: Chemistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:SEM_image_of_the_surface_of_a_Mentos_candy.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/SEM_image_of_the_surface_of_a_Mentos_candy.jpg/220px-SEM_image_of_the_surface_of_a_Mentos_candy.jpg" decoding="async" width="220" height="203" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/SEM_image_of_the_surface_of_a_Mentos_candy.jpg/330px-SEM_image_of_the_surface_of_a_Mentos_candy.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8d/SEM_image_of_the_surface_of_a_Mentos_candy.jpg/440px-SEM_image_of_the_surface_of_a_Mentos_candy.jpg 2x" data-file-width="1024" data-file-height="943" /></a><figcaption>SEM image of the surface of a Mentos candy</figcaption></figure> <p>The eruption is caused by a <a href="/wiki/Physical_change" title="Physical change">physical reaction</a>, rather than any <a href="/wiki/Chemical_reaction" title="Chemical reaction">chemical reaction</a>. The addition of the Mentos leads to the rapid <a href="/wiki/Nucleation" title="Nucleation">nucleation</a> of <a href="/wiki/Carbon_dioxide" title="Carbon dioxide">carbon dioxide</a> gas bubbles, degassing the solution:<sup id="cite_ref-:1_2-1" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:6_20-0" class="reference"><a href="#cite_note-:6-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Kuntzleman_21-0" class="reference"><a href="#cite_note-Kuntzleman-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-newscientist_22-0" class="reference"><a href="#cite_note-newscientist-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:0_23-0" class="reference"><a href="#cite_note-:0-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </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 {\ce {CO2(aq) -> CO2(g)}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <msubsup> <mtext>CO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em" /> </mrow> </msubsup> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">(</mo> <mtext>aq</mtext> <mo stretchy="false">)</mo> </mrow> <mo stretchy="false">⟶</mo> <msubsup> <mtext>CO</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em" /> </mrow> </msubsup> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false">(</mo> <mtext>g</mtext> <mo stretchy="false">)</mo> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {CO2(aq) -> CO2(g)}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/042b8c29883e678ab05cb68600df0d3e2501e6ac" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:21.348ex; height:3.009ex;" alt="{\displaystyle {\ce {CO2(aq) -> CO2(g)}}}"></span></dd></dl> <p>The conversion of dissolved carbon dioxide to gaseous carbon dioxide forms rapidly expanding gas bubbles in the soda, which pushes the beverage contents out of the container. Experimental measurements suggest that as many as 14 million bubbles are produced per liter of soda in this experiment.<sup id="cite_ref-:6_20-1" class="reference"><a href="#cite_note-:6-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>Carbonated sodas contain elevated levels of carbon dioxide under pressure. The solution becomes <a href="/wiki/Supersaturation" title="Supersaturation">supersaturated</a> with carbon dioxide when the bottle is opened, and the pressure is released. Under these conditions, carbon dioxide begins to degas from the solution, forming gas bubbles. </p><p>The <a href="/wiki/Activation_energy" title="Activation energy">activation energy</a> for bubble <a href="/wiki/Nucleation" title="Nucleation">nucleation</a> (formation of bubbles) depends on where the bubble forms. It is very high for bubbles that form in the liquid itself (homogeneous nucleation), and much lower if bubble growth occurs within tiny bubbles trapped in some other surface (<a href="/wiki/Nucleation#Heterogeneous_nucleation_often_dominates_homogeneous_nucleation" title="Nucleation">heterogeneous nucleation</a>). Bubble nucleation and growth in carbonated beverages almost always occur by heterogeneous nucleation: diffusion of carbon dioxide into pre-existing bubbles within the beverage.<sup id="cite_ref-:1_2-2" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:2_10-1" class="reference"><a href="#cite_note-:2-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:3_24-0" class="reference"><a href="#cite_note-:3-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:4_25-0" class="reference"><a href="#cite_note-:4-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> When dissolved gas diffuses into bubbles that already exist in a liquid, it is called Type IV bubble nucleation.<sup id="cite_ref-:2_10-2" class="reference"><a href="#cite_note-:2-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> When the pressure is released from a soda bottle upon opening it, dissolved carbon dioxide can escape into any tiny bubble located within the beverage. These ready-made bubbles (which are nucleation sites) exist in things such as tiny fibers or non-wettable crevices on the sides of the bottle.<sup id="cite_ref-:2_10-3" class="reference"><a href="#cite_note-:2-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:3_24-1" class="reference"><a href="#cite_note-:3-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:4_25-1" class="reference"><a href="#cite_note-:4-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> Because there usually are very few such pre-existing bubbles, the degassing process is slow. Mentos candies contain millions of cavities, roughly 1-3 μm in size,<sup id="cite_ref-:5_26-0" class="reference"><a href="#cite_note-:5-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:2_10-4" class="reference"><a href="#cite_note-:2-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> that remain unwetted when added to a soda. Because of this, the addition of Mentos candies to a carbonated beverage provides enormous numbers of pre-existing bubbles into which dissolved carbon dioxide can escape. Thus, adding Mentos candies to a carbonated beverage introduces millions of nucleation sites into the drink, which allows for degassing that is rapid enough to support a jet of foam out of a bottle. While a Mentos candy contains millions of cavities, it is likely that only about 100,000 cavities actively nucleate bubbles on any single Mentos candy placed in a carbonated beverage.<sup id="cite_ref-:6_20-2" class="reference"><a href="#cite_note-:6-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:5_26-1" class="reference"><a href="#cite_note-:5-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>Pre-existing bubbles provide a way for the reaction to occur without requiring bubbles to form within the liquid itself (homogeneous nucleation). Because Type IV nucleation sites (such as found on Mentos) allow the reaction to proceed with substantially lower activation energy, Mentos candies can appropriately be considered a catalyst of the process.<sup id="cite_ref-:2_10-5" class="reference"><a href="#cite_note-:2-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> As another example, dropping grains of salt or sand into the solution provides Type IV nucleation sites, lowers the activation energy compared to that of homogeneous nucleation, and increases the rate of carbon dioxide degassing. </p><p>The physical characteristics of Mentos (surface roughness) have the effect of drastically reducing the activation energy for carbon dioxide bubble formation so that the nucleation rate becomes exceedingly high. The activation energy for the release of carbon dioxide from Diet Coke by the addition of Mentos is 25 kJ mol<sup>−1</sup>.<sup id="cite_ref-:0_23-1" class="reference"><a href="#cite_note-:0-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> The foaming is aided by the presence of food additives such as <a href="/wiki/Potassium_benzoate" title="Potassium benzoate">potassium benzoate</a>, <a href="/wiki/Aspartame" title="Aspartame">aspartame</a>, sugars, citric acid, and flavorings in Diet Coke,<sup id="cite_ref-Kuntzleman_21-1" class="reference"><a href="#cite_note-Kuntzleman-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> all of which influence the degree to which water can foam.<sup id="cite_ref-Kuntzleman_21-2" class="reference"><a href="#cite_note-Kuntzleman-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-planck_13-2" class="reference"><a href="#cite_note-planck-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-mythbusters_15-1" class="reference"><a href="#cite_note-mythbusters-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-todayifoundout_18-1" class="reference"><a href="#cite_note-todayifoundout-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> It has been claimed that <a href="/wiki/Gelatin" title="Gelatin">gelatin</a> and <a href="/wiki/Gum_arabic" title="Gum arabic">gum arabic</a> in the Mentos candy enhance the fountain,<sup id="cite_ref-planck_13-3" class="reference"><a href="#cite_note-planck-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-mythbusters_15-2" class="reference"><a href="#cite_note-mythbusters-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> but experiments have shown that these candy additives do not affect the fountain.<sup id="cite_ref-:1_2-3" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The nucleation reaction can start with any heterogeneous surface, such as rock salt, but Mentos have been found to work better than most.<sup id="cite_ref-naked_eggs_1-2" class="reference"><a href="#cite_note-naked_eggs-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-mythbusters_15-3" class="reference"><a href="#cite_note-mythbusters-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-todayifoundout_18-2" class="reference"><a href="#cite_note-todayifoundout-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> Tonya Coffey, a physicist at <a href="/wiki/Appalachian_State_University" title="Appalachian State University">Appalachian State University</a>, suggested that <a href="/wiki/Aspartame" title="Aspartame">aspartame</a> in <a href="/wiki/Diet_drink" class="mw-redirect" title="Diet drink">diet drinks</a> lowers the <a href="/wiki/Surface_tension" title="Surface tension">surface tension</a> in the water and causes a bigger reaction, but that <a href="/wiki/Caffeine" title="Caffeine">caffeine</a> does not accelerate the process. However, experiments have shown that some dissolved solids that <i>increase</i> the surface tension of water (such as sugars) also increase fountain heights.<sup id="cite_ref-Kuntzleman_21-3" class="reference"><a href="#cite_note-Kuntzleman-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Furthermore, it has also been demonstrated that addition of certain concentrations of alcohol (which lowers surface tension) to carbonated beverages <i>decreases</i> fountain heights.<sup id="cite_ref-:5_26-2" class="reference"><a href="#cite_note-:5-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> These results suggest that additives serve to enhance geyser heights not by decreasing surface tension, but rather by some other mechanism. One possibility is that additives decrease bubble coalescence, which leads to smaller bubble sizes and greater foaming ability in the water.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> Thus, the geyser reaction will still work even using sugared drinks, but diet is commonly used both for the sake of a larger geyser as well as to avoid having to clean up the stickier residue left by a sugared soda.<sup id="cite_ref-newscientist_22-1" class="reference"><a href="#cite_note-newscientist-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </p><p>Additional explanations for why diet sodas outperform regular sodas in this experiment have been proposed. For example, it has been suggested that the higher viscosity of regular sodas as compared to diet sodas could inhibit the formation of the fountain in regular sodas, leading to shorter fountains.<sup id="cite_ref-Kuntzleman_21-4" class="reference"><a href="#cite_note-Kuntzleman-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:7_31-0" class="reference"><a href="#cite_note-:7-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> It has also been suggested that the more stable foams observed in diet sodas as compared to regular sodas could contribute to the taller geysers observed in diet sodas.<sup id="cite_ref-:6_20-3" class="reference"><a href="#cite_note-:6-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <ul class="gallery mw-gallery-packed-hover"> <li class="gallerybox" style="width: 82px"> <div class="thumb" style="width: 80px;"><span typeof="mw:File"><a href="/wiki/File:Diet_Coke_Mentos.jpg" class="mw-file-description" title="A 2-litre (0.44 imp gal; 0.53 US gal) bottle of Diet Coke just after Mentos were dropped into it"><img alt="A 2-litre (0.44 imp gal; 0.53 US gal) bottle of Diet Coke just after Mentos were dropped into it" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Diet_Coke_Mentos.jpg/120px-Diet_Coke_Mentos.jpg" decoding="async" width="80" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Diet_Coke_Mentos.jpg/180px-Diet_Coke_Mentos.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Diet_Coke_Mentos.jpg/240px-Diet_Coke_Mentos.jpg 2x" data-file-width="1901" data-file-height="2851" /></a></span></div> <div class="gallerytextwrapper" style="width: 60px"><div class="gallerytext">A 2-litre (0.44 imp gal; 0.53 US gal) bottle of Diet Coke just after Mentos were dropped into it</div> </div> </li> <li class="gallerybox" style="width: 80px"> <div class="thumb" style="width: 78px;"><span typeof="mw:File"><a href="/wiki/File:ShimadaK2007Sept09-MentosGeyser_DSC_3294%2B%2B.JPG" class="mw-file-description" title="From left to right: action of five Mentos candies (per bottle) with Perrier, classic Coke, Sprite, and Diet Coke"><img alt="From left to right: action of five Mentos candies (per bottle) with Perrier, classic Coke, Sprite, and Diet Coke" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/76/ShimadaK2007Sept09-MentosGeyser_DSC_3294%2B%2B.JPG/117px-ShimadaK2007Sept09-MentosGeyser_DSC_3294%2B%2B.JPG" decoding="async" width="78" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/76/ShimadaK2007Sept09-MentosGeyser_DSC_3294%2B%2B.JPG/176px-ShimadaK2007Sept09-MentosGeyser_DSC_3294%2B%2B.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/76/ShimadaK2007Sept09-MentosGeyser_DSC_3294%2B%2B.JPG/234px-ShimadaK2007Sept09-MentosGeyser_DSC_3294%2B%2B.JPG 2x" data-file-width="1744" data-file-height="2680" /></a></span></div> <div class="gallerytextwrapper" style="width: 58px"><div class="gallerytext">From left to right: action of five Mentos candies (per bottle) with <a href="/wiki/Perrier" title="Perrier">Perrier</a>, classic <a href="/wiki/Coca-Cola" title="Coca-Cola">Coke</a>, <a href="/wiki/Sprite_(soft_drink)" class="mw-redirect" title="Sprite (soft drink)">Sprite</a>, and Diet Coke</div> </div> </li> <li class="gallerybox" style="width: 215.33333333333px"> <div class="thumb" style="width: 213.33333333333px;"><span typeof="mw:File"><span><video id="mwe_player_0" poster="//upload.wikimedia.org/wikipedia/commons/thumb/4/49/Soda_geyser.webm/320px--Soda_geyser.webm.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="214" height="120" data-durationhint="15" data-mwtitle="Soda_geyser.webm" data-mwprovider="wikimediacommons"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/49/Soda_geyser.webm/Soda_geyser.webm.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="854" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/49/Soda_geyser.webm/Soda_geyser.webm.720p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="720p.vp9.webm" data-width="1280" data-height="720" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/49/Soda_geyser.webm/Soda_geyser.webm.1080p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="1080p.vp9.webm" data-width="1920" data-height="1080" /><source src="//upload.wikimedia.org/wikipedia/commons/4/49/Soda_geyser.webm" type="video/webm; codecs="vp9"" data-width="1920" data-height="1080" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/49/Soda_geyser.webm/Soda_geyser.webm.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="426" data-height="240" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/49/Soda_geyser.webm/Soda_geyser.webm.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="640" data-height="360" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/49/Soda_geyser.webm/Soda_geyser.webm.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="640" data-height="360" /></video></span></span></div> <div class="gallerytextwrapper" style="width: 194px"><div class="gallerytext">Soda geyser</div> </div> </li> <li class="gallerybox" style="width: 162px"> <div class="thumb" style="width: 160px;"><span typeof="mw:File"><span><video id="mwe_player_1" poster="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Mentos_MVI_4627.ogv/240px--Mentos_MVI_4627.ogv.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="160" height="120" data-durationhint="6" data-mwtitle="Mentos_MVI_4627.ogv" data-mwprovider="wikimediacommons"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/41/Mentos_MVI_4627.ogv/Mentos_MVI_4627.ogv.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="640" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/4/41/Mentos_MVI_4627.ogv" type="video/ogg; codecs="theora, vorbis"" data-width="640" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/41/Mentos_MVI_4627.ogv/Mentos_MVI_4627.ogv.144p.mjpeg.mov" type="video/quicktime" data-transcodekey="144p.mjpeg.mov" data-width="192" data-height="144" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/41/Mentos_MVI_4627.ogv/Mentos_MVI_4627.ogv.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="320" data-height="240" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/41/Mentos_MVI_4627.ogv/Mentos_MVI_4627.ogv.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="480" data-height="360" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/41/Mentos_MVI_4627.ogv/Mentos_MVI_4627.ogv.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="480" data-height="360" /></video></span></span></div> <div class="gallerytextwrapper" style="width: 140px"><div class="gallerytext">Diet Coke and Mentos eruption</div> </div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="Alternatives">Alternatives</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Soda_geyser&action=edit&section=3" title="Edit section: Alternatives"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>While Diet Coke and Mentos are the most common way to make a soda geyser, they are not the only options. Many consider Diet Coke to be the optimal option. While Diet Coke has been studied and suggested that it has the strongest effect,<sup id="cite_ref-:7_31-1" class="reference"><a href="#cite_note-:7-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> at least one other study has demonstrated that all diet sodas essentially work equally well within experimental error.<sup id="cite_ref-Kuntzleman_21-5" class="reference"><a href="#cite_note-Kuntzleman-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Nevertheless, any carbonated beverage will work.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> As for the Mentos, many things work to nucleate carbonated beverages such as other candy, metal and ceramic spheres,<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> and even sand.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Soda_geyser&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Solubility" title="Solubility">Solubility</a></li> <li><a href="/wiki/Elephant%27s_toothpaste" title="Elephant's toothpaste">Elephant's toothpaste</a></li> <li><a href="/wiki/Black_snake_(firework)" title="Black snake (firework)">Black snake (firework)</a></li> <li><a href="/wiki/Carbon_snake" title="Carbon snake">Carbon snake</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Soda_geyser&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Diet_Coke_and_Mentos_eruption" class="extiw" title="commons:Category:Diet Coke and Mentos eruption">Diet Coke and Mentos eruption</a></span>.</div></div> </div><style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-naked_eggs-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-naked_eggs_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-naked_eggs_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-naked_eggs_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFSpangler2010" class="citation book cs1">Spangler, Steve (2010). <i>Naked Eggs and Flying Potatoes</i>. Greenleaf Book Group Press.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Naked+Eggs+and+Flying+Potatoes&rft.pub=Greenleaf+Book+Group+Press&rft.date=2010&rft.aulast=Spangler&rft.aufirst=Steve&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASoda+geyser" class="Z3988"></span></span> </li> <li id="cite_note-:1-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-:1_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:1_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:1_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:1_2-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKuntzlemanAnnisAndersonKenney2020" class="citation journal cs1">Kuntzleman, Thomas S.; Annis, Jezrielle; Anderson, Hazel; Kenney, Joshua B.; Doctor, Ninad (2020). 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Archived from <a rel="nofollow" class="external text" href="http://napervillesun.suntimes.com/2014/05/23/naperville-students-integral-to-classic-tv-bits-david-letterman/">the original</a> on October 6, 2014<span class="reference-accessdate">. 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