Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 17 - Thermochemistry - 17.2 Measuring and Expressing Enthalpy Changes - Sample Problem 17.3 - Page 564: 13

Answer

-146 J

Work Step by Step

Calculate the total mass of the water. Use density as a conversion factor. Compute the enthalpy change of the pebble. The heat released by the system equals the heat absorbed by the surroundings. The pebble is the system and the water solution is the surroundings.
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