Matching from P.exams

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Matching from P.exams
2011-08-11 18:54:04

home stretch
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  1. reaction quotient
    a number equal to the ratio of product concentrations to reactant concentrations, each raised to the power of its stoichiometric coefficient at some point other than equilibrium
  2. law of mass action
    the rules according to which the equilibrium constant expression is formulated
  3. arrhenius acid
    the substance that yields H30+ (or H+) ions when dissolved in water
  4. buffer
    a solution of a weak acid or base and its SALT
  5. solubility product
    the equilibrium constant for the dissolution reaction of an ionic solid
  6. dynamic equilibrium
    the condition in which the rate of a forward process is exactly balanced by the rate of a reverse process
  7. Bronsted-Lowry Base
    a substance capable of accepting a proton
  8. solubility
    the maximum amount of solute that can be dissolved in a given quantity of solvent at a specific temperature
  9. Lewis acid
    a substance that can accept a pair of electrons
  10. titration
    the gradual addition of a solution of accurately known concentration to another solution of unknown concentration until the reaction between the two solutions is complete
  11. conjugate pair
    an acid and a base that differ only in the presence of or absence of a proton
  12. pH
    the negative logarithm of the hydronium ion concentration
  13. complex ion
    an assembly of a metal ion and lewis bases (ligands) bonded to it
  14. amphoteric
    capable of behaving as either an acid or a base
  15. ion product
    the reaction quotient for a dissolution reactant
  16. Lewis base
    an electron-pair donor
  17. precipitate
    an insoluble substance that forms in and separates from a solution
  18. entropy
    a thermodynamic function associated with the number of different, equivalent energy states or spatial arrangements in which a system may be found
  19. equivalence point!!!!!
    the point in a titration when at which the added solute reacts completely with the solute present in the solution
  20. autoionization
    the process by which water spontaneously forms low concentrations of H+ and OH-
  21. electrolytic cell
    an electrochemical cell in which the redox reaction is not spontaneous
  22. amphiprotic
    a chemical species that can act as an acid or as a base
  23. reduction
    the gain of electrons
  24. Bronsted-Lowry Base
    a proton acceptor
  25. indicator
    a substance whose color is sensitive to pH changes
  26. anode
    the electrode at which oxidation takes place
  27. polyprotic acid
    a molecule that contains more than one acidic hydrogen