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Among the following processes, select th...

Among the following processes, select the process for which `DeltaS` is positive.

A

`N_2(g)+O_2(g)rightarrowNO(g)`

B

`CaCO_3(s)rightarrowCaO(s)+CO_2(g)`

C

`N_2(g)+3H_2(g)rightarrow2NH_3(g)`

D

`NaNO_2(s)+frac{1}{2}O_2(g)rightarrowNaNO_3(s)`

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