ORGANIC CHEMISTRY Chapter 4 4.10 a Heats of combustion(燃烧热) o The heat of combustion of a compound is the enthalpy change for the complete oxidation of the compound CH2CH,CH, CH2 +63O2- 4 Co2+5,O △H=-2877 kJ/mol CH3 9 kJ/mol CH3CHCH3 +6202 4 C02+5 H2O △H=-2868 kJ/mol Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 4.10A Heats of Combustion (燃烧热) The heat of combustion of a compound is the enthalpy change for the complete oxidation of the compound. CH3CH2CH2CH3 + 612 O2 4 CO2 + 5 H2O ∆H = -2877 kJ/mol CH3CHCH3 CH3 + 612 O2 4 CO2 + 5 H2O ∆H = -2868 kJ/mol 9 kJ/mol 9 kJ/mol