4.Air at 350 °C and 10 bar entered a turbine (the system) at the rate of 1.8mole/sec and experienced an expansion to 1 bar and 100 °C. The turbine produced 1.72 amp at 7,200 volts and was located in an environment with a constant temperature of 300 °K.Assumptions: Please write and reduce the Mass Balance for this system. b.Please write and reduce the Energy Balance. Please determine W in kW. d. Please determine the heat leak, if any, in kW.