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A piston-cylinder contains 4.76 kg of molecular nitrogen (N); initially at 175 kPa and 22.15C. During a quasi-equilibrium isothermal process, the N receives 17.25

A piston-cylinder contains 4.76 kg of molecular nitrogen (N); initially at 175 kPa and 22.15C. During a

A piston-cylinder contains 4.76 kg of molecular nitrogen (N); initially at 175 kPa and 22.15C. During a quasi-equilibrium isothermal process, the N receives 17.25 kJ of electric work and performs 58.2 kJ of boundary work against a spring. Assuming N behaves as an ideal gas with constant specific heats. Properties of N: MM28.013 kg/kmol; R2 =0.2968 kJ/(kg-K); c= 1.039 kJ/(kg-K): 0,=0.743 kJ(/kg-K) KJ 1. (10 pts) In A, what is the magnitude of heat transfer during the process? Q=_ 2. (05 pts) In A, what is the direction of the heat transfer? In or Out

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