(P) (Q) (R) (S) Which of the following options is the only correct representation of a process in which ΔU=ΔQ−PΔV?

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(II) (iii) (S)

(II) (iii) (P)

(III) (iii) (P)

(II) (iv) (R)

answer is B.

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Detailed Solution

ΔU=ΔQ−PΔVΔU+PΔV=ΔQAs ΔU≠0 W≠0 ΔQ≠0 The Process represents, Isobaric processWgas =−P(ΔV)=−PV2−V1=−PV2+PV1graph ‘P’ satisfies isobaric process

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