Air in the amount of 2 lbm is contained in a well insulated, rigid vessel equipped with

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Air in the amount of 2 lbm is contained in a well insulated, rigid vessel equipped with a stirring paddle wheel. The initial state of this air is 30 psia and 60oF. How much work, in Btu, must be transferred to the air with the paddle wheel to raise the air pressure to 40 psia? Also, what is the final temperature of air?
Air in the amount of 2 lbm is contained in
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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