Chapter 12 Vocabulary crossword

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Across
  1. 3. the direction of a reversible reaction is favored
  2. 4. a series of simple reactions that represent the progress of the overall reaction at the molecular level
  3. 8. A state of balance
  4. 10. substance that speeds up the rate of a chemical reaction
  5. 11. chemical law stating that the rate of a reaction is proportional to the concentration of the reacting substances
  6. 13. a high-energy intermediate state of the reactants during a chemical reaction that must be achieved for the reaction to proceed
  7. 17. Energy needed to get a reaction started
  8. 18. the rate at which reactants change into products over time
Down
  1. 1. A system in which no matter is allowed to enter or leave
  2. 2. value that expresses how far the reaction proceeds before reaching equilibrium. A small number means that equilibrium is towards the reactants side while a large number means that the equilibrium is towards the product side
  3. 5. When a change is experienced by a chemical system in equilibrium, the system will adjust to partially offset the change
  4. 6. Expression used to determine the unknown equilibrium concentrations. It describes the relationship of the products relative to the reactants in a chemical equilibrium system.
  5. 7. shows the energy of reactants and products during the course of a reaction
  6. 9. describes a reaction that involves only one particle that goes on to form products
  7. 12. a transitional structure that results from an effective collision and that persists while old bonds are breaking and new bonds are forming
  8. 14. A type of biological protein that speeds up a chemical reaction in a living thing
  9. 15. the step-by-step sequence of reactions by which the overall chemical change occurs
  10. 16. an elementary step in a reaction that involves two particles, either the same species or different, that collide and go on to form products