Q4 I mole/s of a fuel containing methane and ethane in an equimolar mixture is fed to a boiler. CH, (g) + 202 (g) + CO2(g) + 2H20 (g) CH. (g) + 7/202 (g) 2002(g) + 3H20 (g) ) 0,5 mol CH, 0,5 mol CH3 23.7 mol air 25C 18.62 mol N, 2.2 mol O2 2.5 mol H2O 1.5 mol CO2 269 Q = ? (kJ/s) Calculate net heat transfer to or from the process Ans: Q = -928 KJ/s