Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 8 - Properties of Gases - Conceptual Exercise 8.10 - Helium-Filled Balloon in Car - Page 340: a


The Helium filled balloon moves backwards because Helium is lighter than air around the balloon and hence it moves against the gravitational force. Since everything moves along the direction of force, it will move forward, while the balloon will move backwards.

Work Step by Step

See above.
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