Chemical Reactions and Energy
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Questions and Answers

What type of reaction consumes energy?

  • Endothermic reaction (correct)
  • Exothermic reaction
  • Chemical reaction
  • Photosynthesis reaction

    • Where is chemical energy typically stored?

  • Carbohydrates and proteins
  • Lipids and proteins
  • Nucleic acids and minerals
  • Foods, fat reserves and fuels (correct)

    • What is the purpose of activation energy in a chemical reaction?

  • To accelerate the reaction
  • To start the reaction (correct)
  • To end the reaction
  • To slow down the reaction

    • According to Figure 5.2, what can be seen about the overall respiration reaction?

    <p>It releases energy</p> Signup and view all the answers

    What is the difference between the activation energy for respiration and photosynthesis?

    <p>The activation energy for photosynthesis is larger</p> Signup and view all the answers

    What is the energy profile of the photosynthesis reaction?

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

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