2) As shown, a piston-cylinder assembly contains 5 g of air holding the piston against the stops. The air, initially at 3 bar, 600 K, is slowly cooled until the

piston just begins to move downward in the cylinder. The air behaves as an ideal gas, g = 9.81 m/s?, and friction is negligible. Sketch the process of the air on a p-V diagram labeled with the temperature and pressure at the end states. Also determine the heat transfer,in kJ, between the air and its surroundings.

Fig: 1

Fig: 2