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)
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