Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 6 - Sections 6.1-6.10 - Exercises - Review Questions: 11

Answer

If the enternal energy of the products of the reaction is higher than the internal energy of the reactants the $ΔE$ must be positive. Energy flows into the system from the surroundings.

Work Step by Step

$ΔE_{System}$ = $ΔE_{Final}$ $-$ $ΔE_{Initial}$ If $ΔE_{Final}$ $\gt$ $ΔE_{Initial}$ then $ΔE_{System}$ will be positive.
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