A.J. chapter 13

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Across
  1. 2. these are below on the PH scale
  2. 4. when this is added to a gas reaction time slows down
  3. 6. a reaction with net absorption of energy
  4. 7. these are above 7 on the PH scale
  5. 8. when increasing the temperature the reaction time is
  6. 9. a substance that lowers the activation energy of a chemical reaction,
Down
  1. 1. is a 0 on the PH scale
  2. 3. the outside part or uppermost layer of something
  3. 5. a reaction with a net release of energy
  4. 6. when reaction and its reverse act at the same rate.