Which reaction corresponds to the standard enthalpy change of formation of propane?
- A$3\text{C}(g) + 4\text{H}_2(g) \rightarrow \text{C}_3\text{H}_8(g)$
- B$3\text{C}(g) + 8\text{H}(g) \rightarrow \text{C}_3\text{H}_8(g)$
- C$3\text{C}(s) + 4\text{H}_2(g) \rightarrow \text{C}_3\text{H}_8(g)$
- D$3\text{C}(s) + 4\text{H}_2(g) \rightarrow \text{C}_3\text{H}_8(l)$