Air undergoes a polytropic compression in a piston-cylinder assembly from P, =lbar. T= 22 Cto P, Sbars Employing the ideal gas model, determine the work id heat transfer per unit mass, in kJ/kg if n=13,Show the Process on a P-V dingram. C,= 1.005 kJ/kg k, Cy= 0.718 kJ/ kg K