For which of the following reactions is ΔH ∘rxn equal to ΔH∘f of the product(s)?
You do not need to look up any values to answer this question. Check all that apply.
i) SO(g) + ½O2(g) → SO2(g)
ii) 2Na(s) + F2(g) → 2NaF(s)
iii) Na(s) + ½F2(g) → NaF(s)
iv) S(s) + O2(g) → SO2(g)
v) Na(s) + ½F2(l) → NaF(s)
vi) SO3(g) → ½O2(g) + SO2(g)
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