Answer
$90.0^\circ C$
Work Step by Step
From the conservation of energy:
$108\ g\times 4.184\ J/g.K \times (47.9-22.5)\ K= 65.1\ g\times 4.184\ J/g.K \times (T-47.9)\ K$
$T=90.0^\circ C$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 5 Principles of Chemical Reactivity: Energy and Chemical Reactions - Study Questions - Page 217: 14
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