Chapter 16: Reaction Rates

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Across
  1. 3. A short lived, unstable arrangement of atoms that can break apart and re-form the reactants or can form products; also sometimes referred to as the transition state.
  2. 7. The rate of decomposition at a specific time, calculated from the rate law, the specific rate constant, and the concentrations of all the reactants.
  3. 8. A chemical reaction that consists of two or more elementary steps.
  4. 9. The change in concentration of a reactant or product per unit time, generally calculated and expressed in moles per liter per second.
  5. 11. The minimum amount of energy required by reacting particles in order to form the activated complex and lead to a reaction.
  6. 15. A numerical value that relates reaction rate and concentration of reactant at a specific temperature.
  7. 16. A catalyst that exists in a different physical state than the reaction it catalyzes.
  8. 17. The slowest elementary step in a complex reaction; limits the instantaneous rate of the overall reaction.
Down
  1. 1. The complete sequence of elementary steps that make up a complex reaction.
  2. 2. States that atoms, ions, and molecules must collide in order to react.
  3. 4. A substance produced in one elementary step of a complex reaction and consumed in a subsequent elementary step.
  4. 5. For a reactant, describes how the rate is affected by the concentrations of that reactant.
  5. 6. A catalyst that exists in the same physical state as the reaction it catalyzes.
  6. 10. Determines the reaction order by comparing the initial rates of a reaction carried out with varying reactant concentrations.
  7. 12. A substance that increases the rate of a chemical reaction by lowering activation energies but is not itself consumed in the reaction.
  8. 13. A substance that slows down the reactions rate of a chemical reaction or prevents a reaction from happening.
  9. 14. The mathematical relationship between the rate of a chemical reaction at a given temperature and the concentrations of reactants.