A) \[\Delta Q\]
B) \[\Delta Q+\Delta W\]
C) \[\Delta W\]
D) \[\Delta Q-\Delta W\]
Correct Answer: D
Solution :
In thermodynamics there is a function of the thermodynamic coordinates (P, V and T) whose final value minus its initial value equals the change \[\Delta Q-\Delta W\] in the process. We call this function the internal energy \[\Delta U\] function which depends only on the initial and final positions, so it is not a path function.
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