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Unformatted text preview: 4. (425) A pistoncylinder device contains 0.15 kg of air initially at 2 MPa and 350 C. The air is first expanded isothermally to to 500 kPa, then compressed polytropically with a polytropic exponent of 1.2 to the initial pressure. Finally the fluid is compressed at the constant pressure to the initial state. Determine the boundary work for each process and the net work of the cycle....
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This note was uploaded on 09/04/2009 for the course CHEM 2300 taught by Professor Thermo during the Summer '08 term at Utah.
 Summer '08
 thermo

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