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Question: an ideal monatomic gas expands isobarically doubling the volume from...

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An ideal monatomic gas expands isobarically, doubling the volume, from a state A to state B. It is then compressed isothermally from state B to state C and finally cooled at constant volume until it returns to state A. No gas is allowed to enter or escape during the any of the processes. Number of moles = 0.8019.

a) Find the values of the changes in energy during the changes between the states A, B, and C. Box your answers.

b) Is the cycle a heat engine or pump? Explain.

c) If the cycle is a heat engine, what is the efficiency of the cycle. If the cycle is a heat pump, what is the coefficient of performance?P (10° Pa)1 V (103 m T (K) 600 300200

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