Using Energy Concepts and the Ideal Gas Model As shown in Fig. P3.132, a piston–c...

Using Energy Concepts and the Ideal Gas Model

As shown in Fig. P3.132, 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/s², 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.