Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 3 - Matter and Energy - Exercises - Cumulative Problems - Page 90: 91

Answer

Therefore 612 J of heat are released.

Work Step by Step

We will use the equation $q=mc\Delta t$ q = heat transferred m = mass c = specific heat $\Delta t $ = change in temperature plug in the values. q = (25.7) (0.44) (-53) *** solve using a calculator q= -612 J Therefore the heat transferred is 612 J and since the sign is negative it means that the heat was released. Therefore 612 J of heat are released.
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