At Constant Pressure for Which of the Reactions Shown Below

question 93

Multiple Choice

At constant pressure for which of the reactions shown below should ΔH° be greater than ΔE°? I.2 SO₂(g) + O₂(g) → 2 SO₃(g)
II.C₉H₂₀(g) + 14 O₂(g) → 9 CO₂(g) + 10 H₂O(l)
III.H₂(g) + F₂(g) → 2 HF(g)
IV.N₂O₄(g) → 2 NO₂(g)

• A)I
• B)III
• C)IV
• D)II and IV

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