Two dm3 of N2 at 0°C and 500 kPa pressure are expanded isothermally against a constant pressure of 100 kPa until the pressure of the gas is also 100 kPa. Assuming the gas to be ideal, calculate w, q, dU and dH for this process. The answers are -800 J, +88 J, 0, 0 respectively. Please show solution.

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