Chemistry: The Central Science (13th Edition)

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

Chapter 19 - Chemical Thermodynamics - Exercises - Page 846: 19.8c

Answer

$\Delta$H is positive.

Work Step by Step

$\Delta$H is positive because when the temperature is low, $\Delta$G is positive. This happens because $\Delta$G = $\Delta$H - T$\Delta$S, so for a low temperature $\Delta$G will be the same sign as $\Delta$H.
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