Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 19 - Chemical Thermodynamics - Exercises - Page 846: 19.4

Answer

$\Delta$H and $\Delta$S are both positive.

Work Step by Step

Enthalpy ($\Delta$H) increases because bonds are being broken, which always releases energy. The entropy ($\Delta$S) increases because there are more free moving particles in the products than the reactants, and thus more disorder.

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