Water can be made from elemental hydrogen and oxygen.Which equation can be used to determine ΔGform from its elemental parts?
A) ΔGform = Δ 
- Δ

- Δ

B) ΔGform = 2Δ 
- 2Δ

- Δ

C) ΔGform = Δ 
- 2ΔGH - ΔGO
D) ΔGform = 2Δ 
+ Δ

- 2Δ

Correct Answer:
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