A closed combustion chamber is designed s that it maintains a constant pressure of 300 kPa during a combustion process. The combustion chamber hs an

• A closed combustion chamber is designed só that it maintains a constant pressure of 300 kPa during a combustion process. The combustion chamber hás an initial volume of 0.8 m3 and contains a stoichiometric mixture of octane (CgHi8) gás and air at 25°C. The mixture is now ignited, and the product gases are observed to be at 1000 K at the end of the combustion process. Assuming complete combustion, and treating both the reactants and the products as ideal gases, determine the heat transfer from the combustion chamber during this process.