General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 11 - States of Matter; Liquids and Solids - Exercises - Page 455: 11.8

Answer

Permanent gases like He or H2 cannot be liquefied by compressing it and decreasing the temperature. Thus the permanent gases can be liquefied by increasing the pressure and decreasing the temperature.

Work Step by Step

Permanent gases like He or H2 cannot be liquefied by compressing it and decreasing the temperature. Thus the permanent gases can be liquefied by increasing the pressure and decreasing the temperature.
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