barreja d'hidrocarburs derivada del petroli

Gasolina

Gasolina

La gasolina o benzina (o encara essència) és una barreja d'<a href="/ca/Hidrocarbur" title="Hidrocarbur" class="wl">hidrocarburs</a> derivada del <a href="/ca/Petroli" title="Petroli" class="wl">petroli</a> que s'utilitza com a <a href="/ca/Combustible" title="Combustible" class="wl">combustible</a> en <a href="/ca/Motor_de_combustió" title="Motor de combustió" class="wl">motors de combustió interna</a>. Té un <a href="/ca/Poder_calorífic" title="Poder calorífic" class="wl">poder calorífic</a> molt elevat, d'uns 46 M<a href="/ca/Joule" title="Joule" class="wl">J</a>/<a href="/ca/Quilo" title="Quilo" class="mw-redirect wl">kg</a>.

<div class='mobile-collapse'><header class="mobile-collapse-header mobile-collapse-btn">Quick facts: Substància química, Massa molecular, Rol, Pro... ▼</header> <table class="infobox mobile-collapse-element" style="font-size:90%;width:25em"><caption style="font-weight:bold;background-color: #b0d1ad" class="notheme"><a href="/ca/Fitxer:Test_tube_icon.svg" class="mw-file-description image wl" title="Infotaula de compost químic"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/Test_tube_icon.svg/22px-Test_tube_icon.svg.png" decoding="async" data-file-width="512" data-file-height="481" data-file-type="drawing" height="21" width="22" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/Test_tube_icon.svg/33px-Test_tube_icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/be/Test_tube_icon.svg/44px-Test_tube_icon.svg.png 2x" alt="Test_tube_icon.svg"></a>Gasolina</caption><tbody><tr><td colspan="2" class="infobox-full-data infobox-data" style="text-align:center"><a href="/ca/Fitxer:Gasoline_in_mason_jar.jpg" class="mw-file-description image media-thumb" data-hash="Fitxer:Gasoline_in_mason_jar.jpg"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Gasoline_in_mason_jar.jpg/225px-Gasoline_in_mason_jar.jpg" decoding="async" data-file-width="1536" data-file-height="2048" data-file-type="bitmap" height="300" width="225" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Gasoline_in_mason_jar.jpg/337px-Gasoline_in_mason_jar.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/39/Gasoline_in_mason_jar.jpg/450px-Gasoline_in_mason_jar.jpg 2x" alt="Gasoline_in_mason_jar.jpg"></a> <a href="/ca/Q39558?uselang=ca#P18" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Substància química</th><td class="infobox-data"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q21009055" title="d:Special:EntityPage/Q21009055" class="extiw" target="_blank">líquid inflamable de la classe IB</a> i <a href="https://www.wikidata.org/wiki/Special:EntityPage/Q21074597" title="d:Special:EntityPage/Q21074597" class="extiw" target="_blank">carcinogen ocupacional</a> <a href="/ca/Q39558?uselang=ca#P31" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Massa molecular</th><td class="infobox-data">110 Da <a href="/ca/Q39558?uselang=ca#P2067" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Rol</th><td class="infobox-data"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q50429805" title="d:Special:EntityPage/Q50429805" class="extiw" target="_blank">air pollutant</a> (en) <a href="/ca/Q50429805?uselang=ca" title="Tradueix" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" data-file-width="158" data-file-height="161" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" alt="Noun_Project_label_icon_1116097_cc_mirror.svg"></a> i <a href="https://www.wikidata.org/wiki/Special:EntityPage/Q50429902" title="d:Special:EntityPage/Q50429902" class="extiw" target="_blank">environmental carcinogens</a> (en) <a href="/ca/Q50429902?uselang=ca" title="Tradueix" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" data-file-width="158" data-file-height="161" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" alt="Noun_Project_label_icon_1116097_cc_mirror.svg"></a> <a href="/ca/Q39558?uselang=ca#P2868" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th colspan="2" class="infobox-header notheme" style="text-align:center;background-color: #b0d1ad">Propietat</th></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Densitat</th><td class="infobox-data">0,72 g/cm³ (a 60 °F, <a href="/ca/Líquid" title="Líquid" class="wl">líquid</a>) <a href="/ca/Q39558?uselang=ca#P2054" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Punt d'ebullició</th><td class="infobox-data">39 °C (a 760 Torr) <a href="/ca/Q39558?uselang=ca#P2102" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Pressió de vapor</th><td class="infobox-data">300 mmHg (a 20 °C) 38 mmHg (a 20 °C) <a href="/ca/Q39558?uselang=ca#P2119" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th colspan="2" class="infobox-header notheme" style="text-align:center;background-color: #b0d1ad">Perill</th></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Límit inferior d'explosivitat</th><td class="infobox-data">1,4 vol% <a href="/ca/Q39558?uselang=ca#P2202" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Límit superior d'explosivitat</th><td class="infobox-data">7,6 vol% <a href="/ca/Q39558?uselang=ca#P2203" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Límit d'exposició sostre</th><td class="infobox-data">0 mg/m³ (cap valor) <a href="/ca/Q39558?uselang=ca#P2405" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Punt d'inflamabilitat</th><td class="infobox-data">−45 °F <a href="/ca/Q39558?uselang=ca#P2128" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Identificador Kemler</th><td class="infobox-data">33 <a href="/ca/Q39558?uselang=ca#P700" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr><tr><th scope="row" class="infobox-label notheme" style="text-align:left;background:#eeeeee; width:40%">Classe de perill ONU</th><td class="infobox-data">3 <a href="/ca/Q39558?uselang=ca#P874" title="Modifica el valor a Wikidata" class="image wl"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" data-file-width="600" data-file-height="600" data-file-type="drawing" height="10" width="10" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" alt="Arbcom_ru_editing.svg"></a></td></tr></tbody></table> <footer class='mobile-collapse-footer mobile-collapse-btn'>Close ▲</footer></div>
<figure class="mw-default-size wiki-thumb"><a href="/ca/Fitxer:GasolineContainer.JPG" class="mw-file-description image media-thumb" data-hash="Fitxer:GasolineContainer.JPG"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GasolineContainer.JPG/220px-GasolineContainer.JPG" decoding="async" data-file-width="2272" data-file-height="1704" data-file-type="bitmap" height="165" width="220" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GasolineContainer.JPG/330px-GasolineContainer.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GasolineContainer.JPG/440px-GasolineContainer.JPG 2x" alt="GasolineContainer.JPG"></a><figcaption>Gasolina</figcaption></figure>
<figure class="mw-default-size wiki-thumb"><a href="/ca/Fitxer:GasStationHiroshima.jpg" class="mw-file-description image media-thumb" data-hash="Fitxer:GasStationHiroshima.jpg"><img loading="lazy" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/GasStationHiroshima.jpg/220px-GasStationHiroshima.jpg" decoding="async" data-file-width="1500" data-file-height="1000" data-file-type="bitmap" height="147" width="220" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/GasStationHiroshima.jpg/330px-GasStationHiroshima.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/GasStationHiroshima.jpg/440px-GasStationHiroshima.jpg 2x" alt="GasStationHiroshima.jpg"></a><figcaption>Una gasolinera</figcaption></figure>

La gasolina o benzina és una barreja d'hidrocarburs derivada del petroli que s'utilitza com a combustible en motors de combustió interna. Té un poder calorífic molt elevat, d'uns 46 MJ/kg. 