Question

1 kg of air at a pressure of 8 bar and a temperature of 100 o C undergoes a reversible
polytrophic process following the law Pv1.2 = C. If final pressure is 1.8 bar, find final specific volume and
temperature. Use R = 287 J/Kg K and γ = 1.4 for air.

Answer 1

Answer:

100×8=800 this right answer

Answer 2

I guess this is the solution