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A 0.6m^3 rigid tank initially contains saturated refrigerant 134a vapor at 1200kPa. As a resulf of heat transfer from the refrigerant, the pressure drops to 400 kPa. Show the process on a P-v diagram with respect to saturation lines, and determine (a) the final temperature, (b) the amount of refrigerant that has condensed, and (c) the heat transfer.