A heat engine with 0500mol of a monatomic ideal gas, Ask an Expert

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A heat engine with 0.500mol of a monatomic ideal gas initially fills a 1000cm^3 cylinder at 700K . The gas goes through the following closed cycle: - Isothermal expansion to 5000cm^3 . - Isochoric cooling to 200K . - Isothermal compression to 1000cm^3 . - Isochoric heating to 700K

A) How much work does this engine do per cycle?

B) What is its thermal efficiency?

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