Rates of Reactions

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Across
  1. 2. A substance that speeds up a reaction without being used up.
  2. 7. Increasing this factor makes particles move faster, which increases the reaction rate.
  3. 9. The _________ of a substance affects the number of collisions; a higher amount makes the reaction faster.
  4. 10. Reactants must collide with enough _________ to be successful
  5. 11. A very slow reaction, like the _________ of iron.
  6. 12. A general term for how fast the reactants are changed into products.
Down
  1. 1. The starting materials in a chemical equation.
  2. 3. The name for the minimum energy required to start a reaction.
  3. 4. The theory that explains reaction rates based on particles hitting each other
  4. 5. The size of the particles; breaking a chunk into a _________ increases the reaction rate.
  5. 6. Physically mixing a solution to increase the rate of reaction.
  6. 8. The final materials made in a chemical reaction.