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 342: 26

Answer

1.4

Work Step by Step

We know that the specific heat ratio of the mixture is equal to the sum of the number of moles of each gas (each multiplied by their respective heat ratio) over the number of moles of gas. Thus: $\gamma = \frac{(50)(1.29)+(30)(1.4)+(20)(1.67)}{50+30+20}=1.4$
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