Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 6 - Thermochemistry - Review Questions: 7


A calorimeter measures the change in temperature of a known substance and calculates the enthalpy through the substance's specific heat capacity, volume, and temperature change. The temperature of the calorimeter decreases with an endothermic reaction. The temperature increases with an exothermic reaction.

Work Step by Step

In an endothermic reaction, energy is taken from the surroundings and absorbed into the system. Therefore, the system inside the calorimeter would absorb heat from the calorimeter causing a decrease in temperature for the calorimeter. Conversely, if the reaction is exothermic, energy is released and absorbed by the calorimeter creating a temperature increase.
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