The radiator of a steam heating system has a volume of 20
Chapter 7, Problem 31P(choose chapter or problem)
Problem 31P
The radiator of a steam heating system has a volume of 20 L and is filled with superheated water vapor at 200 kPa and 150°C. At this moment both the inlet and the exit valves to the radiator are closed. After a while the temperature of the steam drops to 40°C as a result of heat transfer to the room air. Determine the entropy change of the steam during this process.
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