Ch. 13 Myri Haley

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Across
  1. 5. a net absorption of energy
  2. 7. no atoms are gained or lost
  3. 8. a substance that lowers the activation energy
  4. 9. is dependent on the collision of molecules
  5. 10. aka Activation energy
Down
  1. 1. AB+CD -> AD+CB
  2. 2. net release of energy
  3. 3. occurs by physical and chemical manipulation
  4. 4. is the minimum energy to break a bond
  5. 6. Chemical reactions must be...