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5 Written questions

5 Matching questions

  1. solubility
  2. molality
  3. Brownian motion
  4. concentration
  5. insoluble
  1. a The jerky, random, rapid movements of colloid particles that results from collisions of particles of the dispersion medium with the dispersed medium.
  2. b The ratio of the number of moles of solute dissolved in one kilogram of solvent.
  3. c The maximum amount of solute that will dissolve in a given amount of solvent at a specific temperature and pressure.
  4. d A quantitative measure of the amount of solute in a given amount of solvent or solution.
  5. e Describes a substance that cannot be dissolved in a given solvent.

5 Multiple choice questions

  1. The diffusion of solvent particles across a semipermeable membrane from an area of higher solvent concentration to an area of lower solvent concentration.
  2. The temperature difference between a solution's boiling point and a pure solvent's boiling point.
  3. Hetergeneous mixtures containing particles larger than solution particles but smaller than suspension particles that are categorized according to the phases of their dispersed particles and dispersing mediums.
  4. Describes a substance that can be dissolved in a given solvent.
  5. The process of surrounding solute particles with solvent particles to form a solutions; occurs only where and when the solute and solvent particles come in contact with each other.

5 True/False questions

  1. heat of solutionThe overall energy change that occurs during the solution formation process.

          

  2. miscibleDescribes two liquids that can be mixed together but separate shortly after you cease mixing them.

          

  3. mole fractionThe ratio of the number of moles of solute in solution to the total number of moles of solute and solvent.

          

  4. freezing point depressionThe temperature difference between a solution's boiling point and a pure solvent's boiling point.

          

  5. suspensionA type of heterogeneous mixture whose particles settle out over time and can be separated from the mixture by filtration.

          

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