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Interpretation:
The importance of physical state of reactants and products for equilibrium constants expression is to be explained.
Concept introduction:
The equilibrium constant is equals to the ratio of concentrations of products to that of reactants.
Answer to Problem 39A
The physical state of reactants and products are important for the equilibrium constant because for the heterogeneous reactions, the concentrations of pure solids are not included because their concentration is remains constant. So, the concentration of pure solids are not appear in the equilibrium constant expression
Explanation of Solution
The physical state of reactants and products are important for the equilibrium constant because for the heterogeneous reactions, the concentrations of pure solids are not included because their concentration is remains constant. So, the concentration of pure solids is not appearing in the equilibrium constant expression.
The concentration of pure solids and liquids are taken as unity and when the substance occurs in liquid solutions, their concentrations are variable and so, their concentration are given in equilibrium expression.
The physical state of reactants and products are important for the equilibrium constant because for the heterogeneous reactions, the concentrations of pure solids are not included because their concentration is remains constant. So, the concentration of pure solids are not appear in the equilibrium constant expression.
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