E.25 When a gas is subjected to a process represented by the straight line from a to c (figure 17.21), the system receives 180J of heat. (a) Determine the work done from a to c. (b) If Ua = 100J, find Uc. (c) What is the work done by the gas when it comes back to a through b? (d) What is the heat transmitted during the cba process?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Answer: (a) 150J; (b) 130J ; (c) -100J;
(d) -130J
Transcribed Image Text:Answer: (a) 150J; (b) 130J ; (c) -100J; (d) -130J
E.25 When a gas is subjected to a process
represented by the straight line from a to
c (figure 17.21), the system receives 180J
of heat. (a) Determine the work done from
a to c. (b) If Ua = 100J, find Uc. (c) What
%3D
is the work done by the gas when it comes
back to a through b? (d) What is the heat
transmitted during the cba process?
P (kPa)
200
100
а
b
V (L)
2
Figure 17.21
Exercice 25.
Transcribed Image Text:E.25 When a gas is subjected to a process represented by the straight line from a to c (figure 17.21), the system receives 180J of heat. (a) Determine the work done from a to c. (b) If Ua = 100J, find Uc. (c) What %3D is the work done by the gas when it comes back to a through b? (d) What is the heat transmitted during the cba process? P (kPa) 200 100 а b V (L) 2 Figure 17.21 Exercice 25.
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