some oxygen will be unchanged by the combustion process and there will be additional nitrogen in the reactants and products. For 10% excess air (110% theoretical air) the methane reaction will be: ...

If air is used in the reaction rather than pure oxygen, the inert gas nitrogen will be present. Air is about 79% nitrogen by volume and 21% oxygen by volume. For a stoichiometric combustion reaction ...

Kaufman, F., and Decker, L. J., Seventh Symp. Combustion (Combustion Institute), 57 (Sept. 1958). Harteck, P., and Dondes, S., J. Chem. Phys., 27, 546 (1957).

Combustion is another name for burning. In a combustion reaction, fuel is burned and reacts with oxygen to release energy. Katie: Dr. Tim Gregory knows a thing or two about creating things that go ...