1). (6p) Please list all the processes constituting the Carnot cycle and have all these processes presented both in P-¥, T-V and T – S diagram. (2b). (4p) A tank contains 15 kg of R-134a at 500 kPa and 40 °C. Please find the total entropy of R-134a contained in this tank.

Fig: 1

Fig: 2