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Questions and Answers
In a chemical equilibrium, what does it mean if the rate of the forward reaction is equal to the rate of the reverse reaction?
In a chemical equilibrium, what does it mean if the rate of the forward reaction is equal to the rate of the reverse reaction?
- The reaction has stopped
- The reaction is still occurring, but with no net change in concentrations (correct)
- The concentration of reactants is increasing
- The concentration of products is decreasing
What effect does increasing the pressure have on a system at chemical equilibrium?
What effect does increasing the pressure have on a system at chemical equilibrium?
- Shifts the equilibrium toward the side with fewer moles of gas (correct)
- Shifts the equilibrium toward the side with more moles of gas
- Causes the reaction to stop
- Has no effect on the equilibrium position
How does an increase in temperature affect an endothermic reaction at equilibrium?
How does an increase in temperature affect an endothermic reaction at equilibrium?
- No effect on the equilibrium position
- Causes the reaction to become irreversible
- Shifts the equilibrium to favor the reactants
- Shifts the equilibrium to favor the products (correct)
What happens to the concentration of reactants and products in a system at chemical equilibrium?
What happens to the concentration of reactants and products in a system at chemical equilibrium?
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How does a catalyst affect a system at chemical equilibrium?
How does a catalyst affect a system at chemical equilibrium?
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What happens to the equilibrium position when the volume of a system at chemical equilibrium is increased?
What happens to the equilibrium position when the volume of a system at chemical equilibrium is increased?
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