25 Chemical Equilibrium MCQ1
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Questions and Answers

What is the characteristic of a reversible reaction?

  • It is always an irreversible reaction.
  • It is only possible at high temperatures.
  • It can only occur in one direction.
  • It can take place in either direction. (correct)

    • What is the principle that describes the behavior of a system in equilibrium when subjected to a stress?

  • The Law of Mass Action
  • The Dynamic Balance Principle
  • Le Chatelier's Principle (correct)
  • The Equilibrium Constant

    • What is the effect of adding a catalyst to a reaction that has already reached equilibrium?

  • The equilibrium constant is changed.
  • The reaction becomes irreversible.
  • The equilibrium is shifted to the right.
  • There is no effect on the equilibrium. (correct)

    • What is the factor that affects the equilibrium constant (Kc)?

    <p>Change in temperature.</p> Signup and view all the answers

    What is the reaction that is an example of a system in equilibrium?

    <p>The Haber process</p> Signup and view all the answers

    What is the primary objective of a system in equilibrium when subjected to a stress?

    <p>To minimize the effect of the stress</p> Signup and view all the answers

    What is the state of a system where the rate of the forward reaction equals the rate of the reverse reaction?

    <p>Chemical equilibrium</p> Signup and view all the answers

    What is the product of the Haber process?

    <p>Ammonia</p> Signup and view all the answers

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