Propane gas (C3H8) enters a steady-flow combustion chamber at 1 atm and 25oC and is burned with

Question:

Propane gas (C3H8) enters a steady-flow combustion chamber at 1 atm and 25oC and is burned with air that enters the combustion chamber at the same state. Determine the adiabatic flame temperature for
(a) Complete combustion with 100 percent theoretical air
(b) Complete combustion with 200 percent theoretical air
(c) Incomplete combustion (some CO in the products) with 90 percent theoretical air.