Chemical Kinetics 13.1-13.3

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Across
  1. 1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  2. 3. involves a change in some quantity over a period of time
  3. 7. this theory states that the greater the frequency and the greater the energy of collision between reactant particles, the greater the rate of reaction
  4. 8. On the basis of collision theory, the reaction rate for most reactions depend on the positioning of the molecules or their _____, when they collide
  5. 10. a reaction in which the products are lower in energy than the reactants has a negative delta(H) is known as _____ reaction
  6. 13. when molecules are thought to form a short-lived, high energy, unstable arrangement of atoms there are called _____ or transition state
  7. 14. the minimum energy required for a molecule to react
Down
  1. 2. one important factor that affects the rate of chemical reactions is ____
  2. 4. the study of rates of reactions and the pathway taken during the reaction
  3. 5. a reaction which products are higher in energy than the reactants has a positive delat(H) is an ______ reaction
  4. 6. the abbreviation for kinetic energy
  5. 9. the change in molar concentration divided by the time period for change
  6. 11. as temperature increases the kinetic energy ______
  7. 12. the temperature of a substance is proportional to the _____ kinetic energy