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Question: 17 a gas expands polytropically in a pistoncylinder assembly from...

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1_7: A gas expands polytropically in a piston-cylinder assembly from 7.6 bar, 77 °C to 3.05 bar. Determine the work and heat transfer, in kJ/kg, for the following cases using only data from Tables A-22 and A-23 a) Air, T2-5°C b) Oxygen, n 1.22

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