Answer
$399.5\ Cal$
Work Step by Step
We use stoichiometry, making sure that all units cancel out to $Cal$, to obtain:
$1670\ kJ \times 1\ Cal/4.18\ kJ=399.5\ Cal$
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
Let's Review: The Tools of Quantitative Chemistry - Study Questions - Page 43a: 18
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