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5 Written questions

5 Matching questions

  1. Sublimation
  2. Electrolyte solution
  3. Why do solutions form?
  4. Heat of hydration is exothermic
  5. What are the four colligative properties
  1. a conducts electricity (ions present)(salt)
  2. b ...
  3. c - vapor pressure lowering
    - boiling point elevation
    - freezing point depression
    - osmotic pressure
  4. d solutions form when the solvent-solute interactions are stronger than the solute-solute and solvent-solvent interactions
  5. e solid to gas add PE

5 Multiple choice questions

  1. solution concentration is less than the cell fluid concentration
    - H2O flows into cell and it swells
  2. amount of energy required to stretch or increase the surface of liquid by a unit of area; strength of this "skin" is directly proportional to the IMF
  3. osmosis: solvent will flow through a semi-permeable membrane that separates a solution from a pure solvent
    - the solution will be diluted
    - the solvent will flow from low to high concentration
    the pressure that is applies to high concentration side to stop the flow of solvent is osmotic pressure
  4. an extreme case of dipole-dipole interactions. Only occurs when hydrogen in directly bonded to N, O, F.
  5. moles of solute over total moles

5 True/False questions

  1. Ion-Dipole Forcesforce that exists between polar molecules


  2. Freezing point depression- boiling point of solvent increases when solute is added (solution is favored over the two separate because the solution has more disorder which is favored by entropy)


  3. Tyndal effectsubstance present in the largest amount


  4. Henry's Lawlike dissolves like


  5. hypertonic solutionsolution concentration is greater than cell fluid concentration
    - H2O out of cell to solution and cell crunches