Question
Mention entropy change $(\Delta S)$ for :
(i) spontaneous process
(ii) nonspontaneous process
(iii) at equilibrium.
(i) spontaneous process
(ii) nonspontaneous process
(iii) at equilibrium.
✓
Answer
(a) $\Delta S_{\text {total }}>0$, the process is spontaneous
(b) $\Delta S_{\text {total }}<0$, the process is non-spontaneous
(c) $\Delta S_{\text {total }}=0$, the process is at equilibrium.
(b) $\Delta S_{\text {total }}<0$, the process is non-spontaneous
(c) $\Delta S_{\text {total }}=0$, the process is at equilibrium.
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