Unit 8 Chem- Vocabulary Puzzle

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