An insulated gas turbine receives a mixture of 10% CO2, 10% H2O and 80% N2 on a mole basis at 1000 K, 500 kPa. The volume flow rate is 2 m3/s and its exhaust is at 700 K, 100 kPa. Find the power output in kW using constant specific heat from A.5 at 300 K.