Chemistry Concepts: Activation Energy
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Questions and Answers

What is activation energy?

  • The energy released during a chemical reaction
  • The minimum energy required for a process to occur (correct)
  • The energy needed to break chemical bonds
  • The total energy of an atomic system at rest

    • Why is activation energy important in chemical reactions?

  • It determines the color of the reaction
  • It measures the mass loss during a reaction
  • It dictates the rate at which reactions occur (correct)
  • It affects the temperature of the reaction mixture

    • Which statement correctly explains the role of activation energy in emissions?

  • It prevents emissions from occurring
  • It only applies to endothermic reactions
  • It is required for an emission to take place (correct)
  • It increases the amount of emitted energy

    • What happens to a reaction if the activation energy is not reached?

    <p>The reaction does not occur</p> Signup and view all the answers

    How does increasing temperature generally affect activation energy requirements?

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

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