Question
Question: The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work don...
The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from A® B ® C is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
A
34 J
B
70 J
C
84 J
D
134 J
Answer
134 J
Explanation
Solution
DU = 20 × 4.2 – 50 = 34 J