Answer
B
Work Step by Step
Number of moles of CO:
$42\ g\div 28.01\ g/mol= 1.50\ mol$
Enthalpy: $-566\ J/mol\times 1.50/2\ mol=-424.3\ J$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 5 Principles of Chemical Reactivity: Energy and Chemical Reactions - 5-5 Enthalpy Changes for Chemical Reactions - Review & Check for Section 5-5 - Page 201: 2
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