itrogen with a mass of 2.5 kg expands at a constant pressure. The initial pressure and temperature in the piston cylinder system is 170 kPa and 27 degree Celsius, respectively. Because of the heat transfer, the system reached a final temperature of 200 degree Celsius. Note R= 0.2968 kJ/kgK Determine: The change of internal energy Please show the complete solution, thank you

itrogen with a mass of 2.5 kg expands at a constant pressure. The initial pressure and temperature in the piston cylinder system is 170 kPa and 27 degree Celsius, respectively. Because of the heat transfer, the system reached a final temperature of 200 degree Celsius. Note R= 0.2968 kJ/kgK Determine: The change of internal energy Please show the complete solution, thank you

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