A 0.8 m3 rigid tank initially contains refrigerant-134a in the saturated vapor form at 0.9 MPa. As

Question:

A 0.8 m3 rigid tank initially contains refrigerant-134a in the saturated vapor form at 0.9 MPa. As a result of heat transfer from refrigerant, the pressure drops to 250 kPa. Determine (a) The final temperature.
(b) The amount of refrigerant that condenses.
(c) The heat transfer.