Considering entropy $(S)$ as a thermodynamic parameter,what are the necessary conditions for a process to be spontaneous?
- A$\Delta S_{\text{system}} - \Delta S_{\text{surroundings}} > 0$
- B$\Delta S_{\text{system}} > 0$
- C$\Delta S_{\text{surroundings}} > 0$
- D$\Delta S_{\text{system}} + \Delta S_{\text{surroundings}} > 0$
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For a reversible spontaneous change,$\Delta S$ is:
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$I)$ Sublimation of dry ice
$II)$ Freezing of water
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$IV)$ Burning of rocket fuel
$I)$ Sublimation of dry ice
$II)$ Freezing of water
$III)$ Crystallisation of the dissolved substance
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MediumKCET 2020
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