An exothermic gas-phase reaction at 450 K has an equilibrium constant

CHEMISTRY · Subjective · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

An exothermic gas-phase reaction at 450 K has an equilibrium constant Kc=7.5K_c = 7.5. If the instantaneous reaction quotient QcQ_c is found to be less than 7.57.5, describe the direction in which the net reaction must proceed and briefly explain your reasoning.

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