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Which of the following statements is true about catalysts?

Practice Questions

Q1
Which of the following statements is true about catalysts?
  1. They are consumed in the reaction
  2. They increase the activation energy
  3. They provide an alternative pathway with lower activation energy
  4. They change the equilibrium constant

Questions & Step-by-Step Solutions

Which of the following statements is true about catalysts?
  • Step 1: Understand what a catalyst is. A catalyst is a substance that speeds up a chemical reaction.
  • Step 2: Learn about activation energy. Activation energy is the energy needed to start a reaction.
  • Step 3: Know that catalysts lower the activation energy. This means that reactions can happen more easily and quickly.
  • Step 4: Realize that catalysts are not used up in the reaction. They can be used over and over again.
  • Step 5: Conclude that because catalysts lower activation energy, they increase the rate of the reaction.
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