Ten kmol per hour of air is throttled from upstream conditions of 25oC and 10 bar to

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Ten kmol per hour of air is throttled from upstream conditions of 25oC and 10 bar to a downstream pressure of 1.2 bar. Assume air to be an ideal gas with Cp = (7/2)R. What is the downstream temperature?
(b) W hat is the entropy change of the air in J mol-5 K_l?
(c) What is the rate of entropy generation in W K~' ?
(d) If the surroundings are at 20'1C. what is the lost work.?
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Introduction to Chemical Engineering Thermodynamics

ISBN: 978-0071247085

7th edition

Authors: J. M. Smith, H. C. Van Ness, M. M. Abbott

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