21. For the reaction: CO₂(g) + 2H₂O(g) → CH₄(g) + 2O₂(g), ΔH° = 803 kJ Which of the following will increase K?
(A). decreasing the temperature of system
(B). decreasing the number of moles of methane
(C). increasing the volume of system
(D). increasing the temperature of system
(E). none of these

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