Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 10 - Questions and Problems - Page 471: 10.20

Answer

Please see the explanation below

Work Step by Step

We know that according to Boyle's law pressure and volume are inversely proportional to each other. That's why, when the atmospheric pressure decreases with increasing altitude, the volume of the helium gas in the weather balloon increases and it expands.
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