The correct answer is k = 5.6 *10^5.
use formula ΔG° = -RTlnK
The equation G° = -RTlnK relates the standard change in free energy, G°, for a reaction to its equilibrium constant, K. K > 1 and the reaction is product-favored at equilibrium when G° 0. To reach equilibrium, the reaction must move to the right if G 0, since K > Q results.To reach equilibrium, the reaction must move to the left if G > 0, as K Q results.K = Q and the reaction is in equilibrium if G = 0.K, which equals [products] divided by [reactants] when a reaction is at equilibrium, is known as the equilibrium constant.When referring to a specific number of moles of the species in the reaction, use KJ/mol or J/mol as the units.
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