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The flames caused as a result of a fuel undergoing combustion (burning) Air pollution abatement equipment provides combustion control for industrial processes.. Combustion, or burning, [1] is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.
Since the heat of combustion of these elements is known, the heating value can be calculated using Dulong's Formula: HHV [kJ/g]= 33.87m C + 122.3(m H - m O ÷ 8) + 9.4m S where m C , m H , m O , m N , and m S are the contents of carbon, hydrogen, oxygen, nitrogen, and sulfur on any (wet, dry or ash free) basis, respectively.
A gasoline-fueled internal combustion engine obtains energy from the combustion of gasoline's various hydrocarbons with oxygen from the ambient air, yielding carbon dioxide and water as exhaust. The combustion of octane, a representative species, performs the chemical reaction: 2 C 8 H 18 + 25 O 2 → 16 CO 2 + 18 H 2 O
The combustion reaction can be approximated as follows, with the molecular formula C 12 H 26 : 2 C 12 H 26 (l) + 37 O 2 (g) → 24 CO 2 (g) + 26 H 2 O(g); ∆H˚ = -7513 kJ. In the initial phase of liftoff, the Saturn V launch vehicle was powered by the reaction of liquid oxygen with RP-1. [53]
The balanced chemical equation for the combustion of methane, a hydrocarbon. Fire is a chemical process in which a fuel and an oxidizing agent react, yielding carbon dioxide and water. [46] This process, known as a combustion reaction, does not proceed directly and involves intermediates. [46]
In the Arrhenius model of reaction rates, activation energy is the minimum amount of energy that must be available to reactants for a chemical reaction to occur. [1] The activation energy ( E a ) of a reaction is measured in kilojoules per mole (kJ/mol) or kilocalories per mole (kcal/mol). [ 2 ]
Combustion reactions frequently involve a hydrocarbon. For instance, the combustion of 1 mole (114 g) of octane in oxygen + + releases 5500 kJ. A combustion reaction can also result from carbon, magnesium or sulfur reacting with oxygen.
Dodecane (also known as dihexyl, bihexyl, adakane 12, or duodecane) is an oily liquid n-alkane hydrocarbon with the chemical formula C 12 H 26 (which has 355 isomers). It is used as a solvent, distillation chaser, and scintillator component. It is used as a diluent for tributyl phosphate (TBP) in nuclear reprocessing plants. [4]