You are watching: Match each equilibrium constant expression below with the correct chemical equation.
For the reaction
Remember, pure solids and liquids are disregarded and kept at 1.
Therefore, from the basic formula
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Notes:In 1864, chemists Cato Maximilian and Peter Waage jointly proposed and developed the law of chemical equilibrium, that at a certain temperature the chemical system would reach a state in which the ratio of the results of the reaction and reagent concentration is constant. The fixed value is formulated as the equilibrium constant (K).
inter-base.net: The expression for equilibrium constant in terms of concentration is given below.
Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric coefficients. It is represented by
For a general chemical reaction:
The concentration of pure solid and pure liquid are taken as 1 in equilibrium expression.
For the given chemical reaction:
The expression for
Here, A and B both are pure solid and pure liquid respectively. Thus, their concentration are taken as 1.
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Thus, the expression becomes:
Hence, the expression for equilibrium constant in terms of concentration is given above.