A distributor of bottled propane, C3H8, needs to bring propane from 630 R, 14.7 lbf/in 2 to

Question:

A distributor of bottled propane, C3H8, needs to bring propane from 630 R, 14.7 lbf/in 2 to saturated liquid at 520 R in a SSSF process. If this should be accomplished in a reversible setup given the surroundings at 540 R, find the ratio of the volume flow rates Vin / Vout, the heat transfer and the work involved in the process.