The radiator of a steam heating system has a volume of 16 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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explanation:

answer:

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answer:

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