Essential University Physics: Volume 1 (4th Edition) Clone

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 18 - Exercises and Problems - Page 343: 65

Answer

20 moles

Work Step by Step

Recall, a diatomic gas has 5 degrees of freedom, so its value of $C_v=2.5R$. Thus, we find the difference in the two values of $C_v$. $ \Delta C_v = 3R-2.5R = .5R$ Thus, it follows: $n =\frac{10}{.5}=20 \ moles$
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