Question

For the reaction

C2H2 + 5/2 O2 → 2 CO2 + H2O

Treat water as a gas at all temperatures to simplify calculations.

a) Determine the enthalpy of reaction at 298 K

b) A mixture of 50% C2H2 and 50% N2 is burned using a stoichiometric amount of air. What is the composition of the flue (exhaust) gas, expressed as a percent?

c) If the fuel enters the burner at 500 K, what is the maximum temperature that the flame can attain (adiabatic flame temperature)? Note that heat capacities vary with temperature.

Answer 1