#### Answer

$399.5\ Cal$

#### Work Step by Step

We use stoichiometry, making sure that all units cancel out to $Cal$, to obtain:
$1670\ kJ \times 1\ Cal/4.18\ kJ=399.5\ Cal$

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Published by
Cengage Learning

ISBN 10:
1133949649

ISBN 13:
978-1-13394-964-0

$399.5\ Cal$

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