Air enters an insulated compressor at ambient conditions, 100 kPa, 20C at the rate of 0.2 kg/s and exits at 500 K. The isentropic efficiency of the compressor is 70%. What is the exit pressure? How...

Air enters an insulated compressor at ambient conditions, 100 kPa, 20C at the rate of 0.2 kg/s and exits at 500 K. The isentropic efficiency of the compressor is 70%. What is the exit pressure? How much power is required to drive the compressor? Assume specific heats at room temperatures