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14 Cards in this Set
- Front
- Back
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What can mole fraction be used to express?
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Appropriate for calculating partial pressures of gases and for dealing with vapor pressures of solutions.
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What is molality independant of?
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temperature
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What does the volume of a solution typically increase with?
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temperature
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what do colligative properties depend on?
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Number of solute particles in solution.
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what is nonvolatile?
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does not have a measurable vapor pressure
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what is a decrease in vapor pressure directly proportional to?
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solute concentration
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what is fractional distillation?
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procedure for separating liquid components of a solution based on their different boiling points
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Because freezing involves a transition from the disordered state to the ordered state, what must be removed?
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energy
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what is osmosis?
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selective passage of solvent molecules through a porous membrane from a dilute solution to a more concentrated one.
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what is semipermeable membrane?
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allows passage of solvent molecules but blocks the passage of solute molecules
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what is osmotic pressure?
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pressure required to stop osmosis
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what is an ion pair?
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made up of one of more cations and one or more anions held together by electrostatic forces.
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what is colloid?
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dispersion of particles of one substance throughout a dispersing medium made of another substance
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what is emulsion?
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liquid droplets dispersed in another liquid
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