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A piston-cylinder device initially contains 0.07 m3 of nitrogen gas at 130 kPa and 120C. The nitrogen is now expanded polytropically to a state

 

A piston-cylinder device initially contains 0.07 m3 of nitrogen gas at 130 kPa and 120C. The nitrogen is now expanded polytropically to a state of 100 kPa and 100C. Determine the boundary work done during this process. N2 130 kPa 120C

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