Question: Refrigerant 134a undergoes a process from 400 kPa and 400 C to a pressure of a) 400 kPa, b) 800 kPa, c) 1200 kPa in

Refrigerant 134a undergoes a process from 400 kPa and 400° C to a pressure of
a) 400 kPa,
b) 800 kPa,
c) 1200 kPa in a rigid container. Calculate the heat transfer and the change in specific entropy.

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