Indicate Which One of the Following Reactions Results in a Positive

Indicate which one of the following reactions results in a positive $\Delta$ S_sys.

A) AgNO₃(aq) + NaCl(aq) $\leftrightarrow$ AgCl(s) + NaNO₃(aq)
B) HCl(g) + H₂O(   $\leftrightarrow$ HCl(aq)
C) H₂(g) + I₂(g) $\leftrightarrow$ 2 HI(g)
D) C₂H₂O₂(g) $\leftrightarrow$ 2 CO(g) + H₂(g)
E) H₂O(g) $\leftrightarrow$ H₂O( $\ell$ )