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always contains two or more substances that are visibly distinguishable
heterogenous mixture
heterogenous mixture example
whole wheat bread
homogenous mixture example
a sugar water solution
a homogeneous mixture of substances in a single phase
solution
mixture that contains visible particles that settle out unless the mixture is stirred
suspension
contains particles that are in a dispersed phase & do not settle out
colloid
metal solution
alloy
colloids...
scatter light
used to distinguish between solutions & colloids
tyndall effect
substance whoe water solution is a good conductor of electricity
electrolyte
using larger pieces of solid does NOT
increase the rate of dissolving a solid in water
increase in surface area of solute..
increases the rate of dissolution
stirring increases the rate of dissolution because..
it brings fresh solvent into contact with the solute
in a solution at equilibrium the rate of dissolution and the rate of crystallization are
equal
a general rule used for predicting whether one substance will form a solution with another
like dissolves like
the escape of gas from a gas-liquid solution
effervescence
a molar solution of CaCl2 contains 1 mole of CaCl2 for every..
liter of solution
molarity, molality, & moles of solute per liter of solution ALL
express concentration
what is expressed in a gram of solute instead of mols of solute
neither molarity or molality
what depends on the concentration of the solute particles?
colligative properties
freezing -pt depression & boling pt elevation
is a colligative property because it is directly proportional to the mol concentration of a solution
Author
seniorcompany18
ID
154711
Card Set
solutions exam
Description
chem exam
Updated
5/19/2012, 2:06:40 AM
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