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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Thermodynamics
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For which of the following process, $ \Delta S_{total} \: is\: < 0$,

$\begin {array} {1 1} (A)\;\text{ Intermixing of gases} \\ (B)\;\text{Melting of ice below $-4^{\circ}C$ at $1\: atm$ pressure} \\ (C)\;\text{Evaporation of water above} 100^{\circ}C \\ (D)\;\text{Burning of hydrogen in oxygen} \end {array}$


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Melting of ice below $-4^{\circ}C$ is non-spontaneous, so $ \Delta S_{total} < 0$
Ans : (B)
answered Mar 15, 2014 by thanvigandhi_1

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