A constant volume tank contains a mixture of 1 kmol of benzene (C6H6) gas and 20% excess air at 25oC and 1 atm. The contents of the tank are now ignited, and all hydrogen in the fuel burns to H2O but only 93% of the carbon burns to CO2, the remaining 7% forming CO. If the final temperature (T2) in the tank is 1000 K, determine the heat transfer (Q) from the combustion chamber during this process. Use the IG mixture model.