A steel bottle V = 0.1 m3 contains R-134a at 20C, 200 kPa. It is placed in

Question:

A steel bottle V = 0.1 m3 contains R-134a at 20C, 200 kPa. It is placed in a deep freezer where it is cooled to -20C. The deep freezer sits in a room with ambient temperature of 20C and has an inside temperature of -20C. Find the amount of energy the freezer must remove from the R-134a and the extra amount of work input to the freezer to do the process.