Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 18 - Exercises and Problems: 29

Answer

57.7 percent

Work Step by Step

We know that the value of gamma is given by the following fraction: $1.52 =\frac{7(1-n)+5n}{4(1-n)}$ Where n is the fractional percent of the molecules that are monotomic. Thus, it follows: $7-2x=7.6-3.04x$ $x=.577$ Thus, the percentage is: $\fbox{57.7 percent}$.
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