Flashcards
Colligative Properties Vocabulary
Cards in this deck (14)
- 1Colligative propertiesProperties that depend only on the amount of solute present, not on the identity of the solute particles in a solution
- 2Vapor pressure loweringdue to solute-solvent intermolecular attractions, higher concentrations of nonvolatile solutes make it harder for solvents to escape to the vapor phase
- 3Raoult's LawShows that the addition of a nonvolatile solute simply dilutes the solvent
- 4Boiling point elevationOccurs at a temperature where the vapor pressure of the liquid equals the atmospheric pressure
- 5Freezing point depressionWhen a nonvolatile solute is dissolved in a pure solvent (i.e. water), the freezing point of the resulting solution is lowered
- 6Osmotic pressure (π)The pressure that must be applied to a solution to stop osmosis
- 7OsmosisThe flow of solvent into a solution through a semipermeable membrane from a region of low solute concentration to an area of high solute concentration
- 8Semipermeable membraneA semi-porous membrane that selectively allows solvent but not solute molecules to pass through
- 9HypertonicIf the solute concentration outside the cell is greater than that inside the cell
- 10CrenationThe shrinkage of cells that occurs when the surrounding solution is hypertonic
- 11HypotonicIf the solute concentration outside the cell is less than that inside the cell
- 12HemolysisThe rupture or destruction of a cell when the solution is hypotonic
- 13Reverse osmosisThe process in which a solvent is forced through a semipermeable membrane, leaving a more concentrated solution behind
- 14Tyndall effectThe phenomenon of scattering of light particles
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- Important terms for the colligative properties part of Chapter 11
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- Kristen Wislowski
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