Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 13 - Temperature and Kinetic Theory - Questions: 11

Answer

The glass vessel makes first contact with the hot water and expands, which initially lowers the alcohol level.

Work Step by Step

As thermal equilibrium is approached, the alcohol heats up and eventually expands more than the glass does (alcohol has a larger coefficient of expansion than glass). The alcohol level then rises to higher than its original height.
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