Answer
C
Work Step by Step
$\Delta u=\int c_vdT=(0.7\ T+1.35\times10^{-4}T^2)|_{T_1}^{T_2}$
With $T_2=400K, T_1=300K$:
$\Delta u=79.45\ kJ/kg$
Thermodynamics: An Engineering Approach 8th Edition
by Cengel, Yunus; Boles, Michael
Published by
McGraw-Hill Education
ISBN 10:
0-07339-817-9
ISBN 13:
978-0-07339-817-4
Chapter 4 - Energy Analysis of Closed Systems - Problems - Page 210: 4-157
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
