In Which One of the Following Reactions Would You Expect

Multiple Choice

In which one of the following reactions would you expect ΔH to be substantially greater than ΔE (i.e., ΔH > ΔE) ?

A) H ₂( g) + Br ₂( g) → 2HBr( g)
B) CO ₂( s) → CO ₂( g)
C) C ₂H ₂( g) + H ₂( g) → C ₂H ₄( g)
D) H ₂O( s) → H ₂O( l)
E) HCl( aq) + NaOH( aq) → NaCl( aq) + H ₂O( l)