Calculate the standard enthalpy (ΔΗ) for this reaction: 2C (s) + 2H₂O (g) → CH₄ (g) + CO₂ (g).
Using the following reactions:
C(s) + H₂O (g) → CO(g) + H₂ (g),
CO (g) + H₂O (g) → CO₂ (g) + H₂ (g)
CO(g) + 3H₂ (g) →CH₄ (g) + H₂O(g)
∆H = 131.28kJ, ∆H = - 412kJ, ∆H = - 206.13kJ.
