Answer
$75\text{ grams}$
Work Step by Step
By the law of conservation of energy:
$mc\Delta T = -mc\Delta T$
$90.0*4.18*(37.0-22.0)=-m*4.18*(37.0-55.0)$
$m=75\text{ grams}$
Chemistry 9th Edition
by Zumdahl, Steven S.; Zumdahl, Susan A.
Published by
Cengage Learning
ISBN 10:
1133611095
ISBN 13:
978-1-13361-109-7
Chapter 6 - Thermochemistry - Exercises - Page 287: 56
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