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chemistry
notecards on properties of solutions
23
Chemistry
10th Grade
03/30/2011

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Cards

Term
What factors affect solution formation?
Definition
nature of solvent and solute, stirring, temperature and surface area
Term
What are two types of agitation?
Definition
stirring and shaking
Term
Does agitation affect the amount of solute that dissolves?
Definition
no
Term
_____influences the rate of solute dissolving.
Definition
temperature
Term
Why do fine powders dissolve more rapidly than larger cyrstals?
Definition
they have more surface area exposed to solvent
Term
A______contains the maximum amount of solute for a given amount of solvent at a constant temperature.
Definition
saturated solution
Term
______is the amount that dissolves in a given quantity of solvent at a given temperature to produce a saturated solution
Definition
solubility
Term
Two liquids that dissolve in each other are called_____.
Definition
miscible
Term
If two liquids are partially soluble, what are they called?
Definition
partially miscible
Term
If two liquids do not dissolve in each other, what are they called?
Definition
immiscible
Term
For most solids when does solubility increase?
Definition
with increasing temperature of the solvent
Term
For gases when does solubility decrease?
Definition
when temperature increases
Term
According to Henry's law, solubility of a gas in a liquid is directly proportional to ______.
Definition
pressure
Term
When does solubility of a gas dissolving in a liquid increase?
Definition
when the pressure above the liquid increases
Term
What is another word for molarity?
Definition
molar concentration
Term
_____make solutions less concentrated.
Definition
dilutions
Term
What are two common percent solutions?
Definition
percent by volume and percent by mass
Term
If the solvent and solute are both liquids, then _______is often used.
Definition
percent by volume
Term
What is a supersaturated solution?
Definition
a solution that contains more solute than it should at that temperature
Term
______depend only on the number of particles dissolved in a given mass of solvent.
Definition
colligative properties
Term

 

What are three important colligative properties?

Definition
vapor pressure lowering, boiling point elevation, and freezing point depression
Term
The vapor pressure of a solution is always_____than the vapor pressure of pure solvent.
Definition
less
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