Catalysis
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Questions and Answers

What did Jöns Jakob Berzelius do in 1835?

  • Invented a new type of catalyst
  • Discovered the concept of activation energy
  • Systemized previous work on catalysis (correct)
  • Published a book on chemical reactions

    • What is the primary function of a catalyst in a chemical reaction?

  • To increase the rate of the reaction (correct)
  • To decrease the temperature of the reaction
  • To alter the chemical composition of the products
  • To change the physical state of the reactants

    • What happens to catalysts during a chemical reaction?

  • They become part of the final product
  • They transform into a different substance
  • They are not consumed and remain unchanged (correct)
  • They are completely used up

    • What do catalysts generally form with reactants during a chemical reaction?

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

    Why do very small amounts of catalyst often suffice for rapid reactions?

    <p>Because the catalyst recycles quickly</p> Signup and view all the answers

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