Chemical Reaction Speed and Control Quiz
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Questions and Answers

Which of the following best describes the rate at which a chemical reaction takes place?

  • The amount of reagents consumed over time
  • The color change that occurs during the reaction
  • The temperature at which the reaction occurs
  • The amount of product formed over time (correct)

    • What happens to the rate of a chemical reaction at lower temperatures?

  • It decreases (correct)
  • It becomes unpredictable
  • It increases
  • It stays the same

    • Why does milk spoil faster when left out of the refrigerator?

  • Because it is exposed to air
  • Because it is exposed to sunlight
  • Because bacteria grow inside it (correct)
  • Because it evaporates

    • What is the term used to describe the rate at which a chemical reaction takes place?

    <p>Reaction rate</p> Signup and view all the answers

    What happens to the rate of a chemical reaction at lower temperatures?

    <p>It decreases</p> Signup and view all the answers

    Why does keeping milk in the refrigerator slow down the spoiling process?

    <p>It slows down the chemical reaction</p> Signup and view all the answers

    Which of the following best describes chemical kinetics?

    <p>The study of the movement of particles in a chemical reaction</p> Signup and view all the answers

    What does chemical kinetics study?

    <p>The movement and dynamics of particles in a chemical reaction</p> Signup and view all the answers

    What kind of information can chemical kinetics provide about a chemical reaction?

    <p>The rate of the reaction</p> Signup and view all the answers

    What units are used to express the product in chemical reaction rate?

    <p>Grams, seconds</p> Signup and view all the answers

    What units are used to express the time in chemical reaction rate?

    <p>Seconds, minutes, hours, days</p> Signup and view all the answers

    What is the formula for calculating chemical reaction rate?

    <p>(change in product)/(change in time)</p> Signup and view all the answers

    Temperature is related to the kinetic energy of particles?

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

    Higher temperature means faster movement of particles?

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

    Faster particle movement results in faster reactions?

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

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