Unit 8 Chem- Vocabulary Puzzle

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