a process A rarr D is difficult to occur directly instead it takes pla – InterviewSolution

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1.	a process A rarr D is difficult to occur directly instead it takes place in three successive steps, DeltaS(ArarrB)=40 e.u., DeltaS(BrarrC)=30 e.u., DeltaS(DrarrC)=20 e.u. where e.u. is entropy unit then the entropy change DeltaS for the process (ArarrD) is
Answer» + 90 e.u. + 50 e.u. -90 e.u. - 50 e.u. ANSWER :B

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