Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 18 - Temperature, Heat, and the First Law of Thermodynamics - Problems - Page 543: 44b

Answer

$+$

Work Step by Step

The gas is expanding, so it is doing work against the system, so $W$ is positive.
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