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Which one of the follwing has DeltaS^@ g...

Which one of the follwing has `DeltaS^@` greater than zero ?

A

`CaO(s)+CO_(2)(g)rArrCaCO_(3)(s)`

B

`NaCl(aq)rArrNaCl(s)`

C

`NaNO_(3)(s)rArrNa^(+)(aq)+NO_(3)^(-)(aq)`

D

`N_(2)(g)+3H_(2)(g)rArr2NH_(3)(g)`

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