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For which reaction is ∆Hrxn˚ equal to ∆Hf˚ for CuSO4(s)? — Thermodynamics Chemistry Question

Question

For which reaction is ∆Hrxn˚ equal to ∆Hf˚ for CuSO4(s)?

A.

Cu2+(aq) + SO4 2–(aq) → CuSO4(s)

B.

CuO(s) + SO3(g) → CuSO4(s)

C.

CuS(s) + 2O2(g) → CuSO4(s)

D.

Cu(s) + S(s) + 2O2(g) → CuSO4(s)

✓ Correct
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