Chem - Reaction Kinetics

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Across
  1. 3. a transitional structure that results from an effective collision and that persists while old bonds are breaking and new bonds are forming
  2. 5. the combined enthalpy-entropy function of a system
  3. 6. an equation that relates the reaction rate and concentrations of reactants
  4. 7. the energy transferred between samples of matter because of a difference in their temperature
  5. 8. the area of chemistry that is concerned with reaction rates and reaction mechanisms
  6. 9. a reaction involving reactants in two different phases
  7. 13. the heat released or absorbed when one mole of a compound is formed by the combination of its elements
  8. 15. a measure of the degree of randomness of the particles, such as molecules, in a system
  9. 16. the action of a catalyst
  10. 17. the quantity of energy released or absorbed as heat during a chemical reaction
  11. 18. a measure of the average kinetic energy of the particles in a sample of matter
  12. 19. the amount of energy absorbed or lost by a system during a process at constant pressure
  13. 21. the SI unit of heat energy as well as all other forms of energy
  14. 22. a catalyst whose phase is different from that of the reactants
  15. 23. an equation that includes the quantity of heat released or absorbed during the reaction as written
  16. 24. the amount of heat energy required to raise the temperature of one gram of substance by one Celsius degree or one kelvin
  17. 25. a species that appears in some steps of a reaction but not in the net equation
  18. 27. set of assumptions regarding collisions and reactions
  19. 28. a device used to measure the heat absorbed or released in a chemical or physical change
Down
  1. 1. the slowest-rate step for a chemical reaction
  2. 2. the difference between the change in enthalpy, H, and the product of the Kelvin temperature and the entropy change, which is defined as TS, at a constant pressure and temperature
  3. 4. energy released as heat by the complete combustion of one mole of a substance
  4. 6. the change in concentration of reactants per unit time as a reaction proceeds
  5. 7. a catalyst that is in the same phase as all the reactants and products in a reaction system
  6. 10. the minimum energy required to transform the reactants into an activated complex
  7. 11. a substance that changes the rate of a chemical reaction without itself being permanently consumed
  8. 12. a reaction whose reactants and products exist in a single phase
  9. 14. the step-by-step sequence of reactions by which the overall chemical change occurs
  10. 20. the study of the changes in heat energy that accompany chemical reactions and physical changes
  11. 26. the overall enthalpy change in a reaction is equal to the sum of the enthalpy changes for the individual steps in the process