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What is the primary role of a catalyst in a chemical reaction?

Practice Questions

Q1
What is the primary role of a catalyst in a chemical reaction?
  1. Increase the concentration of reactants
  2. Lower the activation energy
  3. Change the equilibrium position
  4. Increase the temperature of the reaction

Questions & Step-by-Step Solutions

What is the primary role of a catalyst in a chemical reaction?
  • Step 1: Understand that a chemical reaction needs energy to start. This energy is called activation energy.
  • Step 2: Know that a catalyst is a substance that helps a reaction happen faster.
  • Step 3: Learn that a catalyst lowers the activation energy needed for the reaction.
  • Step 4: Realize that by lowering the activation energy, the catalyst allows more reactions to occur quickly.
  • Step 5: Remember that a catalyst is not used up in the reaction, meaning it can be used again.
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