Topic Details (Notes format)

Reaction Quotient (Q)

Subject: Chemistry

Book: General Chemistry

The reaction quotient Q has the same form as the equilibrium constant K but uses current (non-equilibrium) concentrations or pressures of reactants and products. Comparing Q to K indicates the reaction’s direction to reach equilibrium. If Q < K, the reaction proceeds forward; if Q > K, it shifts backward. This helps chemists adjust conditions to achieve desired yields or maintain equilibrium.

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