Energy Changes in Chemical Reactions
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Questions and Answers

Which type of reactions involve the release of energy?

  • Reactions where bonds are broken
  • Exothermic reactions (correct)
  • Endothermic reactions
  • Reactions where energy is taken in

    • What happens to the total energy in an endothermic reaction?

  • Decreases
  • Remains the same (correct)
  • Can't be determined
  • Increases

    • Which statement is true about breaking bonds in a chemical reaction?

  • Is characteristic of exothermic reactions
  • Takes in energy (correct)
  • Releases energy
  • Leads to a decrease in total energy

    • What is the main form of energy involved in chemical reactions?

    <p>Heat energy</p> Signup and view all the answers

    Which group includes reactions where products have higher energy than reactants?

    <p>Endothermic reactions</p> Signup and view all the answers

    In an exothermic reaction, what happens to the total energy during the reaction?

    <p>Remains the same</p> Signup and view all the answers

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