Process 2-3: With the piston face resting against the stops, the water further cools to 25°C. a) What phase is the water in state 1? Explain the reason. b) Take the water inside the cylinder as the system and sketch the two processes together in the P-v diagram. Neglecting kinetic and potential energy effects, evaluate for each process the work and heat transfer (net), each in kJ.

Fig: 1

Fig: 2

Fig: 3

Fig: 4