Answer
Heat is absorbed from the surroundings.
Work Step by Step
As $\Delta H_{rxn}$ is positive, the reaction is endothermic and the heat is absorbed from the surroundings.
Chemistry 10th Edition
by Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.
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 - Page 599: 13
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