Heat of Combustion of Important Chemicals

**Heat of Combustion Table**
Substance	Products of combustion	Chemical equation	Heat of combustion (kJ/kg)	Heat of combustion (Btu/lb)
Carbon	Carbon dioxide	C + O₂ = CO₂	33,950	14,590
Carbon	Carbon monoxide	2C + O₂ = 2CO	9,210	3,960
Carbon monoxide	Carbon dioxide	2CO + O₂ = 2CO₂	10,150	4,367
Hydrogen	Water	2H₂ + O₂ = 2H₂O	144,200	62,000
Sulphur	Sulphur dioxide	S + O₂ = SO₂	9,080	3,900
Methane	Carbon dioxide and water	CH₄ + 2O₂ = CO₂ + 2H₂O	55,860	24,017