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Which of the following options is the only correct representation of a process in which Δ U = Δ Q – P Δ V ?

1. (II) (iii) (P)
2. (II) (iii) (S)
3. (II) (iv) (R)
4. (III) (iii) (P)

Correct answer: (II) (iii) (P)

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