{"id":150115,"date":"2022-03-21T11:06:14","date_gmt":"2022-03-21T05:36:14","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/standard-enthalpy-of-formation-combustion-and-bond-dissociation\/"},"modified":"2022-03-25T19:37:07","modified_gmt":"2022-03-25T14:07:07","slug":"standard-enthalpy-of-formation-combustion-and-bond-dissociation","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/standard-enthalpy-of-formation-combustion-and-bond-dissociation\/","title":{"rendered":"Standard Enthalpy of Formation, Combustion and Bond Dissociation"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/standard-enthalpy-of-formation-combustion-and-bond-dissociation\/#Introduction_to_Standard_Enthalpy_of_Formation\" title=\"Introduction to Standard Enthalpy of Formation ;\">Introduction to Standard Enthalpy of Formation ;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/standard-enthalpy-of-formation-combustion-and-bond-dissociation\/#Define_Enthalpy_of_Formation\" title=\"Define Enthalpy of Formation\">Define Enthalpy of Formation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/standard-enthalpy-of-formation-combustion-and-bond-dissociation\/#What_Is_the_Enthalpy_of_Formation\" title=\"What Is the Enthalpy of Formation?\">What Is the Enthalpy of Formation?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/standard-enthalpy-of-formation-combustion-and-bond-dissociation\/#Enthalpy_of_Combustion\" title=\"Enthalpy of Combustion\">Enthalpy of Combustion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/standard-enthalpy-of-formation-combustion-and-bond-dissociation\/#Bond_Dissociation_of_Enthalphy\" title=\"Bond Dissociation of Enthalphy\">Bond Dissociation of Enthalphy<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction_to_Standard_Enthalpy_of_Formation\"><\/span>Introduction to Standard Enthalpy of Formation ;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Standard enthalpy of formation (\u0394H f \u00b0) is the enthalpy change associated with the formation of one mole of a substance from its component elements in their standard states. The standard state of a substance is a state at 1 bar pressure and a specified temperature, usually 25 \u00b0C. The standard enthalpy of formation of a compound is the sum of the standard enthalpies of formation of the elements that make up the compound.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-150114 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/standard-enthalpy-of-formation-combustion-and-bond-dissociation.jpg\" alt=\"\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/standard-enthalpy-of-formation-combustion-and-bond-dissociation.jpg?v=1647840971 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/standard-enthalpy-of-formation-combustion-and-bond-dissociation-300x212.jpg?v=1647840971 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Define_Enthalpy_of_Formation\"><\/span>Define Enthalpy of Formation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The enthalpy of formation is the enthalpy change that accompanies the formation of a mole of a substance from its component elements in their standard states. The enthalpy of formation is a state function.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_the_Enthalpy_of_Formation\"><\/span>What Is the Enthalpy of Formation?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The enthalpy of formation (\u0394Hf) is the enthalpy change that accompanies the formation of one mole of a substance from its component elements in their standard states.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Enthalpy_of_Combustion\"><\/span>Enthalpy of Combustion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The enthalpy of combustion is the amount of heat released when a substance undergoes complete combustion with oxygen. The enthalpy of combustion is usually measured in kilojoules per mole (kJ\/mol) or kilocalories per mole (kcal\/mol). The enthalpy of combustion can be used to determine the amount of heat released when a fuel is burned.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Bond_Dissociation_of_Enthalphy\"><\/span>Bond Dissociation of Enthalphy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HF<\/p>\n<p>The bond dissociation enthalphy of HF is 3.3 kcal\/mol.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction to Standard Enthalpy of Formation ; Standard enthalpy of formation (\u0394H f \u00b0) is the enthalpy change associated with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Standard Enthalpy of Formation, Combustion and Bond Dissociation","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn about standard enthalpy of formation combustion and bond dissociation topic of chemistry in details explained by subject experts on infinitylearn.com. 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