combustion 3.5 / 5 based on 3 ratings ? ChemistryEnergy of reactions/Exothermic and endothermic reactionsGCSEOCR Created by: Sophie-EllieCreated on: 07-12-15 10:40 what is combustion? combustion is a rapid reaction between a substance and oxygen that releases heat and light energy. 1 of 10 is it an endothermic or exothermic reaction? exothermic reaction 2 of 10 what happens during combustion? during the combustion of a hydrocarbon fuel, the carbon and hydrogen are oxidised. 3 of 10 what is a hydrocarbon? it is a compound containing hydrogen and carbon atoms ONLY! 4 of 10 what is oxidisation? it is a reaction where oxygen is added ..... oxidation = oxygen is added 5 of 10 what is reduction? a reaction where oxygen is removed 6 of 10 what is complete combustion? it is where there's enough oxygen available for all of the carbon atoms to burn and form carbon dioxide 7 of 10 what is incomplete combustion? where there isn't enough oxygen for the atoms to burn or form carbon dioxide 8 of 10 what is the equation for complete combustion? fuel + oxygen = carbon dioxide + water 9 of 10 what is the equation for incomplete combustion? fuel + oxygen = carbon soot + water + carbon monoxide 10 of 10
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