Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 5 - Thermochemistry - Exercises - Page 204: 5.24b


The value of q is negative when the system loses heat to its surroundings. The value of w is negative when the system does work on its surroundings.

Work Step by Step

$\Delta E=q+w$ This formula tells us that a system can lose energy by losing heat or by doing work.
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