A rigid tank of 1.2-kg steel contains 1.5 kg of R-134a at
Chapter 6, Problem 61HP(choose chapter or problem)
Problem 61HP
A rigid tank of 1.2-kg steel contains 1.5 kg of R-134a at 40°C, 500 kPa. The tank is placed in a refrigerator that brings it to −20°C. Find the process heat transfer and the combined steel and R-134a change in entropy.
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