An insulated cylinder fitted with a frictionless piston contains saturated vapor R- 12 at ambient temperature, 20C.

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An insulated cylinder fitted with a frictionless piston contains saturated vapor R- 12 at ambient temperature, 20C. The initial volume is 10 L. The R-12 is now expanded to a temperature of -30C. The insulation is then removed from the cylinder, allowing it to warm at constant pressure to ambient temperature. Calculate the net work and the net entropy change for the overall process.
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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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