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QUESTION :

A piston cylinder device contains 1.2 kg of nitrogen gas at 120 kpa and 300 kelvin. the gas is now compressed slowly in a polytropic process during whivh PV ^1.3=constant .The process end when the volume is reduced by one-half. Determine the entropy change of nitrogen during the process.

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# Plz help (i have a paper tomorrow & i am not able to solve it)

**Physics Forums | Science Articles, Homework Help, Discussion**