A-LevelChemistryChemical energetics9701/12 · Feb/Mar 2024 · Q101 Mark
Which reaction has an enthalpy change equal to the standard enthalpy change of formation of propane?
A3C(g) + 4H₂(g) → C₃H₈(g)
B3C(g) + 8H(g) → C₃H₈(g)
C3C(s) + 4H₂(g) → C₃H₈(g)
D3C(s) + 4H₂(g) → C₃H₈(l)
✓ Correct answer
C: 3C(s) + 4H₂(g) → C₃H₈(g)
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