Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 5 - Gases - Review Questions - Page 232: 10


Real gases do not always behave ideally because of intermolecular attractive forces and because gases do take up a finite volume. A real gas behaves most ideally at low pressures and high temperatures.

Work Step by Step

An ideal gas does not experience intermolecular forces and does not take up space or volume. However, this is never true for real gases; therefore, real gases do not always act ideally. A real gas acts most ideally at high temperatures and low pressures because, in these conditions, particles are able to move at greater velocities and have a greater energy such that intermolecular forces between molecules are negligible.
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