Unit 8 Vocabulary Puzzle

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Across
  1. 1. Châtelier's principle, if equilibrium is disturbed, it will move in the direction that restores equilibrium
  2. 5. energy, minimum energy that reactants must have for a reaction to occur
  3. 8. basic units of matter
  4. 10. acids are H+donors-bases are H+ acceptors
  5. 11. substance with a pH greater than 7
  6. 13. concentration of a solution expressed as the number of moles of solute dissolved in 1 L of solution.
  7. 19. substance with a pH less than 7
  8. 21. chemical reaction in which both forward and reverse reactions proceed at equal rates
  9. 22. group of connected and related things
  10. 24. scale, goes from 0 to 14,indicates the acidity of a solution
  11. 25. solution that resists changes in pH.
  12. 27. rate, speed a reaction occurs, the change in concentration of a reactant or product over time
  13. 28. increases the rate of a reaction without being consumed during the reaction
  14. 29. force per unit of area
  15. 30. test to find out if a hypothesis can be supported
  16. 32. equilibrium constant for a reaction
  17. 33. starting materials in a chemical reaction
  18. 34. acid, the form a base takes after it gains a hydrogen ion (or proton)
Down
  1. 2. constant, the concentration of prod./ the con. of reactants, same at a given temp and pressure
  2. 3. measurement of the OH- concentration in a substance: = 14 - pH
  3. 4. acids are H+ producers-bases are OH– producers
  4. 6. measure of the average kinetic energy of the particles of a system
  5. 7. separates into ions in water
  6. 9. charged species that result from the gain or loss of electrons from neutral atoms or molecules
  7. 12. space occupied by matter
  8. 14. homogeneous mixtures of solutes and solvents
  9. 15. acids are electron pair acceptors-bases are electron pair donors
  10. 16. covalently bonded groups of atoms
  11. 17. is equal to the concentration of products divided by the concentration of reactants
  12. 18. materials produced during a chemical reaction
  13. 20. reactions, processes by which substances are changed into new substances, different properties.
  14. 23. base, the form an acid takes after it loses a hydrogen atom (or proton)
  15. 26. amount of solute dissolved in a given amount of solution
  16. 31. a measure concentration of how acidic or basic a solution is: = -log[H+]