Without Doing Any Calculations,determine Whether the Standard Entropy Change,ΔS° Is

question 43

Multiple Choice

Without doing any calculations,determine whether the standard entropy change,ΔS° is positive or negative for each of the following reactions.
Reaction 1: S(s,rhombic) + O₂(g) → SO₂(g)
Reaction 2: 2 SO₂(g) + O₂(g) → 2 SO₃(g)

• A)ΔS° is positive for both reactions.
• B)ΔS° is positive for reaction 1 but negative for reaction 2.
• C)ΔS° is positive for reaction 2 but negative for reaction 1.
• D) Δs° is positive for both reactions.