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What is the effect of a catalyst on a chemical reaction? (2019)

Practice Questions

Q1
What is the effect of a catalyst on a chemical reaction? (2019)
  1. Increases activation energy
  2. Decreases activation energy
  3. Changes the equilibrium constant
  4. Has no effect on the reaction rate

Questions & Step-by-Step Solutions

What is the effect of a catalyst on a chemical reaction? (2019)
  • Step 1: Understand what a catalyst is. A catalyst is a substance that speeds up a chemical reaction without being consumed in the process.
  • Step 2: Learn about activation energy. Activation energy is the minimum energy needed for a reaction to occur.
  • Step 3: Know how a catalyst works. A catalyst lowers the activation energy required for a reaction.
  • Step 4: Realize the effect of lowering activation energy. When the activation energy is lower, more molecules have enough energy to react.
  • Step 5: Conclude the overall effect. Because more molecules can react, the reaction rate increases.
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