Estimate the saturation pressure Psat of the substance in Prob. 12-25E when its temperature is 20oF. Prob.

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Estimate the saturation pressure Psat of the substance in Prob. 12-25E when its temperature is 20oF.
Prob. 12-25E
0.5-lbm of a saturated vapor is converted to a saturated liquid by being cooled in a weighted piston- cylinder device maintained at 50 psia. During the phase conversion, the system volume decreases by 1.5 ft3; 250 Btu of heat are removed; and the temperature remains fixed at 15oF. Estimate the boiling point temperature of this substance when its pressure is 60 psia.
Estimate the saturation pressure Psat of the substance in Prob.
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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