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5 Written questions

5 Matching questions

  1. Bronsted-Lowry model
  2. ionization
  3. p scale
  4. ion-product/dissociation constant
  5. acid-base indicator
  1. a Kw, the equilibrium constant for the auto-ionization of water
    Kw=[H+][OH-]
  2. b a chemical dye whose color is affected by acidic and basic solutions
  3. c process where polar compounds separate into cations and anions in solution
  4. d model of acids and bases in which an acid is a hydrogen-ion donor and a base is a hydrogen-ion acceptor
  5. e based on logarithms
    N=a number
    pN= -logN

5 Multiple choice questions

  1. two water molecules react to produce a hydronium ion and a hydroxide ion
  2. a substance that ionizes in water to release hydrogen ions
  3. an acid that can donate two protons per molecule
    strong acid
  4. a chemical equation for an aqueous reaction that shows all the soluble ionic substances dissociated into ions.
  5. solution that resists change in pH when an acid or a base is added

5 True/False questions

  1. weak electrolytea solution in which a large portion of the solute exists as ions
    good conductor of electricity

          

  2. standard solutiona solution whose concentration is accurately known

          

  3. strong electrolytea solution in which a large portion of the solute exists as ions
    good conductor of electricity

          

  4. oxyacidsacidic hydrogen is attached to an oxygen atom
    strong acid

          

  5. weak acidan acid that is only slightly ionized in aqueous solution
    equilibrium lies far to the left
    conjugate base is stronger than water