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- A closed system undergoes a change of state by process 1 - 2 for which Q12 = 10 J and W12 = -5J. The system is now returned to its initial state by a
. A closed system undergoes a change of state by process 1 - 2 for which Q12 = 10 J and W12 = -5J. The system is now returned to its initial state by a
A closed system undergoes a change of state by process 1 - 2 for which Q12 = 10 J and W12 = -5J. The system is now returned to its initial state by a different path 2 ® 1 for which Q21 is -3 J. The total internal energy change for the cycle is
- (A):-8 J
- (B):zero
- (C):-2 J
- (D):+5 J
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(A): (1.5)5Related questions
