Answer
-727 kJ
Work Step by Step
Since heat is released, $q$ is negative.
Since work is done by the system, $w$ is also negative.
$\Delta E= q+w=(-622\,kJ)+(-105\,kJ)$
$=-727\,kJ$
Chemistry: Molecular Approach (4th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
0134112830
ISBN 13:
978-0-13411-283-1
Chapter 6 - Exercises - Page 289: 41
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