Chemistry Crossword

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Across
  1. 3. measure of the total energy of a thermodynamic system
  2. 4. decreases activity in chemical reactions
  3. 5. a collision between two reactants with the correct orientation and with sufficient energy to overcome the activation energy barrier
  4. 7. the outside part or uppermost layer
  5. 8. slowest step of a chemical reaction that determines the speed (rate) of the overall reaction
  6. 9. study of the speed with which a chemical reaction occurs and the factors that affect this speed
  7. 11. the abundance of a constituent divided by the total volume of a mixture
  8. 12. the physical state of elements or compounds that are taking part in a chemical reaction
  9. 15. behavior of a reaction
  10. 16. the exertion of force upon a surface by an object
Down
  1. 1. the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction
  2. 2. explains how chemical reactions occur and why reaction rates differ for different reactions
  3. 4. a collision between two reactants with the incorrect orientation and with insufficient energy to overcome the activation energy barrier
  4. 6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. 8. step by step sequence of elementary reactions by which overall chemical change occurs
  6. 10. transition state molecule, with some bonds partially broken and other bonds partially formed
  7. 13. the degree or intensity of heat present in a substance
  8. 14. how fast or slow a reaction takes place