Answer
$$9.5 \mathrm{\ kJ}$$
Work Step by Step
By using first law of thermodynamics,
$$W=Q-\Delta E_{\mathrm{int}}=4.5 \mathrm{kJ}-|-5.0 \mathrm{kJ}|=9.5 \mathrm{\ kJ}$$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 20 - Entropy and the Second Law of Thermodynamics - Problems - Page 605: 18c
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