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One mole of ideal gas undergoes a three-step process. In step one: the gas expands isothermally and reversibly from state 1 to state 2. In step two: the gas is cooled isochorically yielding state 3. In step three: the gas is compressed adiabatically back to state 1. Let v1, v2, v3, p1, p2, p3 and t1, t2, t3 be volume, pressure and absolute temperatures for states 1-3, respectively. Determine N, Q, delta H and delta U for each step and for the whole process. Draw a a PV diagram of the process

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