A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S₁ and Δ S_R are the entropy changes of the system for the irreversible and reversible processes respectively)

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A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S₁ and Δ S_R are the entropy changes of the system for the irreversible and reversible processes respectively)

A. Δ S₁ is always < Δ S_R

B. Δ S₁ is sometimes > Δ S_R

C. Δ S₁ is always > Δ S_R

D. Δ S₁ is always = Δ S_R

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Accepted Answer

C. Δ S₁ is always > Δ S_R

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S₁ and Δ S_R are the entropy changes of the system for the irreversible and reversible processes respectively)

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

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A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively)

Correct Answer :

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A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S₁ and Δ S_R are the entropy changes of the system for the irreversible and reversible processes respectively)