{"id":148714,"date":"2022-03-21T09:33:51","date_gmt":"2022-03-21T04:03:51","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/physical-and-chemical-aspects-of-combustion-detailed-explanation\/"},"modified":"2022-03-30T20:41:34","modified_gmt":"2022-03-30T15:11:34","slug":"physical-and-chemical-aspects-of-combustion-detailed-explanation","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/physical-and-chemical-aspects-of-combustion\/","title":{"rendered":"Physical and Chemical Aspects of Combustion &#8211; Detailed Explanation"},"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\/physical-and-chemical-aspects-of-combustion\/#What_are_the_Physical_and_Chemical_Aspects_of_Combustion_Types_of_Combustion_Reactions\" title=\"What are the Physical and Chemical Aspects of Combustion? ; Types of Combustion Reactions ;\">What are the Physical and Chemical Aspects of Combustion? ; Types of Combustion Reactions ;<\/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\/physical-and-chemical-aspects-of-combustion\/#Complete_Combustion\" title=\"Complete Combustion\">Complete Combustion<\/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\/physical-and-chemical-aspects-of-combustion\/#Incomplete_Combustion\" title=\"Incomplete Combustion\">Incomplete Combustion<\/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\/physical-and-chemical-aspects-of-combustion\/#In_the_Combustion_Process_the_Flames_Can_be_Classified_as\" title=\"In the Combustion Process, the Flames Can be Classified as:\">In the Combustion Process, the Flames Can be Classified as:<\/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\/physical-and-chemical-aspects-of-combustion\/#Physical_Aspects_of_Combustion\" title=\"Physical Aspects of Combustion\">Physical Aspects of Combustion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/physical-and-chemical-aspects-of-combustion\/#Chemical_Aspects_of_Combustion\" title=\"Chemical Aspects of Combustion\">Chemical Aspects of Combustion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_Physical_and_Chemical_Aspects_of_Combustion_Types_of_Combustion_Reactions\"><\/span>What are the Physical and Chemical Aspects of Combustion? ; Types of Combustion Reactions ;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Flame<\/p>\n<p>The physical and chemical aspects of combustion are the reactants, products, and the change in enthalpy during the combustion reaction. The reactants are the fuel and the oxidizer. The products are water vapor, carbon dioxide, and heat. The change in enthalpy is the energy released during the combustion reaction. The flame is the visible part of the combustion reaction.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-148713 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/physical-and-chemical-aspects-of-combustion-detailed-explanation.jpg\" alt=\"\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/physical-and-chemical-aspects-of-combustion-detailed-explanation.jpg?v=1647835427 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/physical-and-chemical-aspects-of-combustion-detailed-explanation-300x212.jpg?v=1647835427 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Complete_Combustion\"><\/span>Complete Combustion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Incomplete combustion is the incomplete burning of a fuel. This produces a range of pollutants, including carbon monoxide, hydrocarbons, and nitrogen oxides.<\/p>\n<p>Incomplete combustion can be caused by a lack of oxygen, by the fuel not being distributed evenly, or by the fuel not being hot enough.<\/p>\n<p>Incomplete combustion can produce a range of pollutants, including:<\/p>\n<p>carbon monoxide &#8211; a poisonous gas that can cause headaches, dizziness, and nausea<\/p>\n<p>hydrocarbons &#8211; a group of pollutants that includes methane, benzene, and toluene<\/p>\n<p>nitrogen oxides &#8211; a group of pollutants that includes nitrogen dioxide and nitric oxide<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Incomplete_Combustion\"><\/span>Incomplete Combustion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Incomplete combustion is a type of combustion in which not all of the fuel is burned. This can result from a lack of oxygen, a problem with the fuel itself, or a problem with the combustion process. Incomplete combustion can produce harmful emissions, including carbon monoxide, which can be dangerous to breathe.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"In_the_Combustion_Process_the_Flames_Can_be_Classified_as\"><\/span>In the Combustion Process, the Flames Can be Classified as:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are three types of flames: premixed, diffusion, and vortex.<\/p>\n<p>Premixed flames occur when the fuel and oxidizer are mixed in the correct ratio before ignition. This type of flame is very stable and produces little soot.<\/p>\n<p>Diffusion flames occur when the fuel and oxidizer are mixed after ignition. This type of flame is less stable and produces more soot than premixed flames.<\/p>\n<p>Vortex flames occur when the fuel and oxidizer are mixed in a swirling motion. This type of flame is the most unstable and produces the most soot.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Physical_Aspects_of_Combustion\"><\/span>Physical Aspects of Combustion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The physical aspects of combustion are the changes in state that occur when a fuel is burned. The three most common phases are solid, liquid, and gas.<\/p>\n<p><span style=\"font-size: 18pt;\"><strong>Solid<\/strong><\/span><\/p>\n<p>When a fuel is in its solid phase, the atoms are all close together and the molecules are held together by chemical bonds. When heat is applied, the atoms and molecules vibrate faster and the bonds break. This causes the solid to change into a liquid.<\/p>\n<p><span style=\"font-size: 18pt;\"><strong>Liquid<\/strong><\/span><\/p>\n<p>In the liquid phase, the atoms and molecules are still close together, but they are not held together by chemical bonds. When heat is applied, the atoms and molecules move faster and the liquid expands.<\/p>\n<p><span style=\"font-size: 18pt;\"><strong>Gas<\/strong><\/span><\/p>\n<p>In the gas phase, the atoms and molecules are spread out and there are no chemical bonds holding them together. When heat is applied, the atoms and molecules move faster and the gas expands.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chemical_Aspects_of_Combustion\"><\/span>Chemical Aspects of Combustion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The chemical aspects of combustion involve the release of energy from the chemical reaction of a fuel with oxygen. The combustion process can be divided into three stages:<\/p>\n<p>1. The ignition stage, in which the fuel and oxygen molecules collide and start the reaction.<\/p>\n<p>2. The propagation stage, in which the reaction spreads through the fuel mixture.<\/p>\n<p>3. The termination stage, in which the reaction ends and the products are released.<\/p>\n<p>The overall process of combustion is exothermic, meaning that it releases energy in the form of heat. The heat produced by combustion can be used to generate electrical power, to heat buildings or to run engines.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What are the Physical and Chemical Aspects of Combustion? ; Types of Combustion Reactions ; The Flame The physical and [&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":"Physical and Chemical Aspects of Combustion - Detailed Explanation","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn about physical and chemical aspects of combustion topic of Chemistry in details explained by subject experts on infinitylearn.com. 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