Question: A 0 . 8 0 0 - m 3 rigid tank contains refrigerant - 1 3 4 a initially at 2 0 0 kPa and

A 0.800-m3 rigid tank contains refrigerant-134a initially at 200 kPa and 40 percent quality. Heat is transferred now to the refrigerant from a source at 35C until the pressure rises to 400 kPa . Determine the entropy change of (a) the refrigerant, (b) the heat source, and (c) the process.
A 0 . 8 0 0 - m 3 rigid tank contains refrigerant

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