unit 11/12 crossword puzzle

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Across
  1. 1. kinetics
  2. 4. concentration
  3. 5. products
  4. 10. expansion
  5. 14. collision
  6. 15. surface area
  7. 16. temperature
  8. 17. potential energy
  9. 20. reverse
Down
  1. 2. ice table
  2. 3. reaction rate
  3. 6. catalyst
  4. 7. activation energy
  5. 8. compression
  6. 9. exothermic
  7. 11. particle size
  8. 12. endothermic
  9. 13. reactants
  10. 18. equilibrium
  11. 19. forward