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Questions and Answers
What is the primary requirement for a system to be in chemical equilibrium?
What is the primary requirement for a system to be in chemical equilibrium?
- The rates of forward and reverse reactions are equal. (correct)
- The temperature must be constant.
- The reaction must be irreversible.
- The reactants must be in a solid state.
What type of equilibrium is established when a solid dissolves in water?
What type of equilibrium is established when a solid dissolves in water?
- Dynamic equilibrium (correct)
- Static equilibrium
- Chemical equilibrium
- Physical equilibrium
What is the significance of the equilibrium constant (K) in a chemical reaction?
What is the significance of the equilibrium constant (K) in a chemical reaction?
- It represents the ratio of the rates of forward and reverse reactions.
- It is a measure of the equilibrium concentrations of the reactants and products. (correct)
- It determines the rate of the reaction.
- It indicates the direction of the reaction.
What happens to the equilibrium constant (K) when the temperature of a reaction increases?
What happens to the equilibrium constant (K) when the temperature of a reaction increases?
What is the effect of adding a catalyst on the equilibrium constant (K) of a reaction?
What is the effect of adding a catalyst on the equilibrium constant (K) of a reaction?
What is a necessary condition for a chemical reaction to be in equilibrium?
What is a necessary condition for a chemical reaction to be in equilibrium?
What is the purpose of the equilibrium constant (K) in a chemical reaction?
What is the purpose of the equilibrium constant (K) in a chemical reaction?
What happens to the equilibrium constant (K) when the reaction is reversed?
What happens to the equilibrium constant (K) when the reaction is reversed?
What is the effect of increasing the pressure on the equilibrium of a gaseous reaction?
What is the effect of increasing the pressure on the equilibrium of a gaseous reaction?
What is a characteristic of a system in dynamic equilibrium?
What is a characteristic of a system in dynamic equilibrium?
What is the result when the rates of forward and reverse reactions are equal?
What is the result when the rates of forward and reverse reactions are equal?
What is the purpose of the equilibrium constant expression?
What is the purpose of the equilibrium constant expression?
What is the effect of increasing the temperature of an exothermic reaction?
What is the effect of increasing the temperature of an exothermic reaction?
What is the result of adding a catalyst to a reaction system?
What is the result of adding a catalyst to a reaction system?
What is a characteristic of a heterogeneous equilibrium?
What is a characteristic of a heterogeneous equilibrium?
Study Notes
Aqueous solution and chemical equilibria
Aqueous solution and chemical equilibria
Aqueous solution and chemical equilibria
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Description
This quiz covers key concepts in chemical equilibrium, including the primary requirements, types of equilibrium, and the significance of the equilibrium constant (K).
