Chemical Kinetics
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Questions and Answers

What does the order of reaction indicate?

  • The equilibrium state of a reaction
  • The speed at which a reaction takes place
  • The total amount of reactants and products in a reaction
  • The relationship between the concentration of reactants and the rate of reaction (correct)

    • In a second-order reaction, if the concentration of reactant A is doubled, what happens to the reaction rate?

  • It remains the same
  • It is quadrupled
  • It is halved
  • It is doubled (correct)

    • What is the order of reaction with respect to a reactant?

  • The temperature at which the reactant reacts
  • The power to which the concentration of that reactant is raised in the rate equation (correct)
  • The molar mass of the reactant
  • The initial concentration of the reactant

    • What does molecularity refer to in a chemical reaction?

    <p>The number of molecules that participate in the rate-determining step of a reaction</p> Signup and view all the answers

    In a unimolecular reaction, how many molecules are involved in the rate-determining step?

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

    What is the molecularity of a reaction if the rate equation is rate = k[A][B]?

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

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