Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 15 - Chemical Thermodynamics - Exercises - Enthalpy and Changes in Enthalpy: 14


(i). (a) increase. (b) $H_{Products}\gt H_{Reactants}$ (c) $\Delta$H is positive. (ii) (a) decrease. (b) $H_{Reactants}\gt H_{Products}$ (c) $\Delta$H is negative.

Work Step by Step

Heat is absorbed in endothermic reactions and it is released in exothermic reactions. The above answers are based on this fact.
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