Chemical Equilibrium Quiz
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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?

  • 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?

  • 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?

  • 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?

    <p>The concentration of reactants and products remains constant</p> Signup and view all the answers

    How does a catalyst affect a system at chemical equilibrium?

    <p>A catalyst has no effect on the position of equilibrium</p> Signup and view all the answers

    What happens to the equilibrium position when the volume of a system at chemical equilibrium is increased?

    <p>It depends on whether the reaction involves gases or not</p> Signup and view all the answers

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