In Which Reaction Would You Expect ΔH to Be Substantially

question 105

Multiple Choice

In which reaction would you expect ΔH to be substantially greater than ΔU (i.e., ΔH > ΔU) ?

• A) H₂(g) + Br₂(g) → 2HBr(g)
• B) CO₂(s) → CO₂(g)
• C) C₂H₂(g) + H₂(g) → C₂H₄(g)
• D) H₂O(s) → H₂O(l)
• E) HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l)

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