Flashcards on Chemical Equilibrium

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What is chemical equilibrium?

Chemical equilibrium is a state in a chemical reaction where the forward and reverse reactions occur at the same rate, resulting in no net change in the concentrations of reactants and products.

What are the factors that can affect the state of chemical equilibrium?

Factors such as temperature, pressure, concentration, and catalysts can affect the state of chemical equilibrium.

What is the equilibrium constant?

The equilibrium constant is a value that indicates the extent to which a reaction proceeds toward completion at equilibrium.

What is Le Chatelier's principle?

Le Chatelier's principle states that if a system at equilibrium is subjected to a stress, it will adjust to counteract the stress and restore equilibrium.

What is the difference between dynamic equilibrium and static equilibrium?

Dynamic equilibrium involves the continuous movement of particles between the forward and reverse reactions, while static equilibrium refers to a system where there is no movement or change.

What is the role of a catalyst in a chemical reaction?

A catalyst is a substance that increases the rate of a chemical reaction by lowering the activation energy required for the reaction to occur.

How does temperature affect the position of equilibrium in an exothermic reaction?

An increase in temperature shifts the equilibrium position towards the left, favoring the formation of reactants in an exothermic reaction.

What is the relationship between the rates of the forward and reverse reactions at equilibrium?

At equilibrium, the rates of the forward and reverse reactions are equal.

How does pressure affect the position of equilibrium in a reaction involving gaseous reactants and/or products?

An increase in pressure shifts the equilibrium position towards the side with fewer moles of gas.

What is the significance of the equilibrium constant expression?

The equilibrium constant expression allows us to quantitatively determine the concentrations of reactants and products at equilibrium.

What is the effect of adding a reactant to a reaction at equilibrium?

Adding a reactant to a reaction at equilibrium will shift the equilibrium towards the products.

What is the effect of adding a product to a reaction at equilibrium?

Adding a product to a reaction at equilibrium will shift the equilibrium towards the reactants.

How does concentration affect the position of equilibrium?

An increase in the concentration of a reactant or product shifts the equilibrium position away from the side with higher concentration.

What is the difference between a homogeneous equilibrium and a heterogeneous equilibrium?

In a homogeneous equilibrium, all the reactants and products are in the same phase, while in a heterogeneous equilibrium, the reactants and products are in different phases.

What are the different types of chemical equilibrium?

Some examples of types of chemical equilibrium include acid-base equilibrium, solubility equilibrium, and complex ion equilibrium.

What is chemical equilibrium?

Chemical equilibrium is a state in a chemical reaction where the forward and reverse reactions occur at the same rate, resulting in no net change in the concentrations of reactants and products.

What are the factors that can affect the state of chemical equilibrium?

Factors such as temperature, pressure, concentration, and catalysts can affect the state of chemical equilibrium.

What is the equilibrium constant?

The equilibrium constant is a value that indicates the extent to which a reaction proceeds toward completion at equilibrium.

What is Le Chatelier's principle?

Le Chatelier's principle states that if a system at equilibrium is subjected to a stress, it will adjust to counteract the stress and restore equilibrium.

What is the difference between dynamic equilibrium and static equilibrium?

Dynamic equilibrium involves the continuous movement of particles between the forward and reverse reactions, while static equilibrium refers to a system where there is no movement or change.

What is the role of a catalyst in a chemical reaction?

A catalyst is a substance that increases the rate of a chemical reaction by lowering the activation energy required for the reaction to occur.

How does temperature affect the position of equilibrium in an exothermic reaction?

An increase in temperature shifts the equilibrium position towards the left, favoring the formation of reactants in an exothermic reaction.

What is the relationship between the rates of the forward and reverse reactions at equilibrium?

At equilibrium, the rates of the forward and reverse reactions are equal.

How does pressure affect the position of equilibrium in a reaction involving gaseous reactants and/or products?

An increase in pressure shifts the equilibrium position towards the side with fewer moles of gas.

What is the significance of the equilibrium constant expression?

The equilibrium constant expression allows us to quantitatively determine the concentrations of reactants and products at equilibrium.

What is the effect of adding a reactant to a reaction at equilibrium?

Adding a reactant to a reaction at equilibrium will shift the equilibrium towards the products.

What is the effect of adding a product to a reaction at equilibrium?

Adding a product to a reaction at equilibrium will shift the equilibrium towards the reactants.

How does concentration affect the position of equilibrium?

An increase in the concentration of a reactant or product shifts the equilibrium position away from the side with higher concentration.

What is the difference between a homogeneous equilibrium and a heterogeneous equilibrium?

In a homogeneous equilibrium, all the reactants and products are in the same phase, while in a heterogeneous equilibrium, the reactants and products are in different phases.

What are the different types of chemical equilibrium?

Some examples of types of chemical equilibrium include acid-base equilibrium, solubility equilibrium, and complex ion equilibrium.

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