Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 5 - Sections 5.1-5.10 - Exercises - Review Questions: 7

Answer

The source of ear pain upon ascending a mountain is caused by the air-containing cavities in your ears building pressure.

Work Step by Step

The atmospheric pressure drops as you increase in altitude, whereas the pressure inside your ear cavities remains the same. This imbalance in pressure causes the eardrum to bulge outward, causing pain.
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