Interpretation: The reason for the systems at equilibrium to not contain the same amounts of the reactants and the products needs to be explained.
Concept Introduction: Consider an equilibrium reaction
Where A and B are the reactants and C and D are the products. a, b, c and d are the
The equilibrium constant for the above reaction is written as
Where [..] denote the molar concentrations at equilibrium.
Answer to Problem 1E
The systems at equilibrium do not contain the same amounts of the reactants and the products because the equilibrium is defined with specified amounts of the reactants and the products and these amounts are not equal. At equilibrium, the rates of the two reactions are equal; but the amounts of the reactants and the products are different.
Explanation of Solution
A
For a chemical system to be at equilibrium, the concentrations of the reactants and the products must have specified values. These values are definitely not equal; however, the rates of the forward and the reverse reactions are equal at equilibrium.
The concentrations of the reactants and the products are not equal at equilibrium; however, the rates of the forward and the reverse reactions are equal at equilibrium.
Chapter U6 Solutions
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