Calculate the Equilibrium Constant at 25°C for the Reaction of Methane

Calculate the equilibrium constant at 25°C for the reaction of methane with water to form carbon dioxide and hydrogen. The data refer to 25°C. CH₄(g) + 2H₂O(g) ⇄ CO₂(g) + 4H₂(g)

A) 8.2 × 10 ¹⁹
B) 0.96
C) 0.58
D) 1.2 × 10 ⁻²⁰
E) 1.4 × 10 ⁻⁴⁶