Products of Combustion for Various Gases
Fuel
Chemical formula
Molecular weight
Specific weight@ 68˚F and 14.70 lb/in2
Volume air required for combustion
Weight of air required for combustion 
Products of combustion 1 ft3 in theorectical amount of air, ft3
CO2
H2O
N2
Products of combustion 1 lb in theorectical amount of air, lb
CO2
H2O
N2