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Type: Multiple-Choice
Category: Macromolecules
Level: Grade 9
Author: DebBioBeCa
Last Modified: 7 years ago

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Macromolecules Question

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Grade 9 Macromolecules

How does a catalyst influence a chemical reaction?
  1. It increases the net energy difference between the reactants and products.
  2. It decreases the activation energy necessary to initiate the chemical change.
  3. It increases the kinetic energy of the reactants, increasing their tendency to collide.
  4. It decreases the kinetic energy of the reactants, enabling them to undergo changes more easily.