Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 10 - Gases - Exercises - Page 432: 10.4b

Answer

The final pressure would be 2/3 the initial pressure.

Work Step by Step

At constant volume and temperature, pressure is directly proportional to the number of particles. Since the number of molecules decreases as the reaction proceeds, the pressure also decreases.

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