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Questions and Answers
What did Jöns Jakob Berzelius do in 1835?
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?
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?
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?
What do catalysts generally form with reactants during a chemical reaction?
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Why do very small amounts of catalyst often suffice for rapid reactions?
Why do very small amounts of catalyst often suffice for rapid reactions?
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