Integrated Rate Law and Chemical Equilibrium Quiz
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Questions and Answers

Which type of reaction follows first-order kinetics?

  • Complex reaction
  • Elementary reaction (correct)
  • Zero-order reaction
  • Second-order reaction
  • What is the half-life of the decomposition of sulfuryl chloride if the initial concentration is 0.1 M?

  • 10000
  • 25000
  • 15000
  • 5000 (correct)
  • What happens to the concentrations of reactants and products in a reversible reaction at equilibrium?

  • They decrease continuously
  • They no longer change (correct)
  • They increase continuously
  • They fluctuate randomly
  • What macroscopic change occurs in a system at chemical equilibrium?

    <p>Cessation of chemical activity</p> Signup and view all the answers

    In a reversible reaction, what condition is achieved when the rates of the forward and reverse reactions are equal?

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

    In a reversible reaction, what is the term for the state where reactants and products no longer change?

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

    What is the meaning of the term 'equilibrium'?

    <p>The state of having equal quantities and forces</p> Signup and view all the answers

    What does 'dynamic equilibrium' refer to?

    <p>A situation where the hole remains the same size</p> Signup and view all the answers

    In chemical equilibrium, what does it mean if the forward and reverse reactions reach equal rates?

    <p>The forward and backward reactions do not stop but reach equal rates</p> Signup and view all the answers

    Why is the equilibrium constant reported as unitless?

    <p>Because the concentrations are reported as ratios to a thermodynamic standard-state quantity</p> Signup and view all the answers

    What is the chemical nature of N2O4 and NO2 in relation to chemical equilibrium?

    <p>N2O4 undergoes decomposition and NO2 undergoes formation</p> Signup and view all the answers

    What is the primary indication that a chemical reaction has reached equilibrium?

    <p>The forward and reverse rates of reactions become equal</p> Signup and view all the answers

    What does it mean when a reaction at equilibrium results in no net change in the concentrations of all species involved?

    <p>The forward and reverse reactions are balanced</p> Signup and view all the answers

    What is the significance of the double arrow in chemical equilibrium?

    <p>It signifies that both forward and backward reactions are occurring simultaneously</p> Signup and view all the answers

    (True/False) Chemical equilibrium always refers to a static and unchanging state.

    <p><strong>False</strong></p> Signup and view all the answers

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