Question: Reconsider Prob. 16-88. Using EES (or other) software, study the effect of excess air on the equilibrium composition and the exit temperature by varying the

Reconsider Prob. 16-88. Using EES (or other) software, study the effect of excess air on the equilibrium composition and the exit temperature by varying the percent excess air from 0 to 200 percent. Plot the exit temperature against the percent excess air, and discuss the results.
Prob. 16-88
Methane gas (CH4) at 25°C is burned with the stoichiometric amount of air at 25°C during an adiabatic steady-flow combustion process at 1 atm. Assuming the product gases consist of CO2, H2O, CO, N2, and O2

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