rate of reaction

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Across
  1. 3. chemical meaning of speed
  2. 4. organic catalysts in living cells
  3. 6. minimum energy required to form a chemical reaction
  4. 7. the exponents in a rate expression
Down
  1. 1. a graph of energy against the number of particles
  2. 2. the slowest step of a reaction mechanism
  3. 5. an equation that gives information about the rate of a reaction
  4. 8. a substance that increases the rate of a reaction without being used