Consider a complete combustion process during which the reactants enter the combustion chamber at 20C and the

Question:

Consider a complete combustion process during which the reactants enter the combustion chamber at 20°C and the products leave at 700°C. Combustion is achieved with
(a) 100 percent theoretical air,
(b) 200 percent theoretical air, and (c) The chemically correct amount of pure oxygen. For which case will the amount of heat transfer be the lowest? Explain.