Indicate Which One of the Following Reactions Most Certainly Results $\Delta$

Multiple Choice

Indicate which one of the following reactions most certainly results in a negative $\Delta$ S_sys.

A) H₂O(g) $\leftrightarrow$ H₂O(s)
B) CaCO₃(s) $\leftrightarrow$ CaO(s) + CO₂(g)
C) CuSO₄ · 5H₂O(s) $\leftrightarrow$ CuSO₄(s) + 5H₂O(g)
D) 14O₂(g) + 3NH₄NO₃(s) + C₁₀H₂₂(l) $\rightarrow$ 3N₂(g) + 17H₂O(g) +10CO₂(g)
E) CO₂(aq) $\leftrightarrow$ CO₂(g)