Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 12 - Liquids, Solids, and Intermolecular Forces - Exercises - Problems: 38

Answer

The hand that contains vegetable oil doesn't feel cool because it evaporates at a slower rate than water.

Work Step by Step

The hand that contains vegetable oil doesn't feel cool because it evaporates at a slower rate than water. This is because the hand feels cooler when a liquid evaporates from the surface. Since vegetable oil has a higher boiling point than water it will evaporate slower than water and thus the hand that contains vegetable oil doesn't feel cool.
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