Identify the principle that explains the effect of concentration changes on equilibrium.
QUESTION
Identify the condition when Q=Kc in a chemical reaction.
QUESTION
What is the relationship between Kp and Kc for a gas-phase reaction?
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ANSWER
Kp=Kc(RT)Δn, where Δn is the change in moles of gas. Accounts for the pressure difference when converting between concentration and pressure equilibrium constants.