Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 19 - Section 19.2 - The Second Law of Thermodynamics - Example: 19.1

Answer

418 degrees Celsius

Work Step by Step

We know that 140 Joules of work is done, for this is the change in energy. Thus, we find the efficiency: $= \frac{140}{240}=.583$ Thus, it follows: $ T_h=\frac{T_c}{1-.583} = \frac{288K}{1-.583} \approx 691 K \approx 418 ^{\circ}C$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.