Garett O Holmes Chapter-13Chemical

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Across
  1. 2. Description of a chemical reaction in which there is a net absorption of energy.
  2. 4. The new materials formed in a chemical reaction.
  3. 5. Description of a chemical reaction in which there is a net release of energy.
  4. 6. A measure of the acidity of a solution;equal to the negative logarithm of the hydronium ion concentration.
  5. 10. The energy stored in molecules that can be released during a reaction.
  6. 13. A substance that donates hydrogen ions.
  7. 14. A rapid exothermic oxidation-reduction between a material and molecular oxygen.
Down
  1. 1. A substance that accepts hydrogen ions.
  2. 2. When a reaction and its reverse act at the same rate.
  3. 3. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
  4. 7. A polyatomic ion made by removing a proton(hydrogen ion)from a water molecule.
  5. 8. the minimum energy required in order for a chemical reaction to proceed.
  6. 9. Description of a solution in which the hydronium ion concentration ion is equal to the hydroxide ion concentration.
  7. 11. A polyatomic ion made by adding a proton(hydrogen ion)to a water molecule.
  8. 12. The reacting substances in a chemical reaction.