Glossary Crossword

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Across
  1. 1. the substance on which an enzyme acts
  2. 5. a substance burning in oxygen
  3. 6. a thing that changes the activation energy of a reaction
  4. 9. The ammount of particles per unit volume
  5. 10. The minimum energy that a collision must posses for a reaction to occur
Down
  1. 2. The heat content or chemical energy of a substance
  2. 3. A reaction that releases energy
  3. 4. The SI unit for energy
  4. 7. Something that increases the speed of a reaction by increasing the particles kinetic energy
  5. 8. A reaction that absorbs energy