Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 5 - Questions and Problems: 5.16

Answer

q = 277 J , heat is absorbed.

Work Step by Step

$\Delta U$= 213 J w = -64 J ( sign is negative because work is done by the system) q = $\Delta U$ -w = 213 J -(-64 J) = 277 J ( Sign is positive which indicates that the process is endothermic.)
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