What is the steel-water entropy change

Reference no: EM131233427

1. A 5-kg aluminum radiator holds 2 kg of liquid R-134a at -10?C. The setup is brought indoors and heated with 220 kJ. Find the final temperature and the change in entropy of the mass.

2. A 12-kg steel container has 0.2 kg superheated water vapor at 1000 kPa, both at 200?C. The total mass is now cooled to the ambient temperature, 30?C. How much heat transfer was taken out and what is the steel-water entropy change?

Reference no: EM131233427

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