1.

A balloon behaves such that pressure inside it is proportional to the diameter squared. It contains 2kg of ammonia at 0°C, 60% quality. They are now heated so that the final pressure is 600 kPa. Find the work done in the process?#

A. 117.5 kJ
B. 127.5 kJ
C. 137.5 kJ
D. 147.5 kJ
Answer» B. 127.5 kJ


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