A piston/cylinder assembly contains 2 kg of liquid water at 20°C and 300 kPa, as shown in Fig. P3.48.There is a linear spring mounted on the piston such that when the water is heated, the pressure reaches3 MPa with a volume of 0.1 m.

a. Find the final temperature.

b. Plot the process in a P-v diagram.

c. Find the work in the process.

Answer