Question 2: (6 points) A piston-cylinder contains R-134a at 320kPa and 40"C. The Refrigerant underone process until its quality reaches 45%. x = buy a) Determine the change in the fluid internal energy? 14 points b) Sketch the P-v diagram of the process? [Z point, NO partial credit) h=p + y T= 2.46 V : 0:07530