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15 & 16 Solutions
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18
Chemistry
10th Grade
02/26/2012

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Term
surfactant
Definition
it interferes with the hydrogen bonding between the water molecules and reduces surface tension
Term
aqueous solution
Definition
water that contains dissolved substances
Term
solvent
Definition
the original liquid
Term
solute
Definition
the substance dissolved in the solvent
Term
properties of solutions
Definition
homogeneous and stable mixtures
Term
solvation
Definition
process by which the positive and negative ions of an ionic solid become surrounded by solvent molecules
Term
like dissolves
Definition
like
Term
electrolyte
Definition
a compound that conducts electricity when it is in an aqueous solution or in the molten state
Term
nonelectrolyte
Definition
compound that does not conduct electricity in an aqueous solution or molten state
Term
a suspension differs from a solution in these ways
Definition
particles are much larger
they eventually separate out
Term
Henry's law states that the solubility of a gas in a liquid is directly proportional to
Definition
the pressure of the gas above the liquid
Term
concentration
Definition
amount of solute dissolved in a given quantity of solvent
Term
dilute solution
Definition
small amount of solute
Term
concentrated solution
Definition
large amount of solute
Term
molarity =
Definition
moles solute/liters of solution
Term
colligative property
Definition
property of solutions that depends only upon the number of solute particles not the identity
Term
3 important colligative properties of solutions
Definition
vapor-pressure lowering
freezing-point depression
boiling-point elevation
Term
molality
Definition
number of moles solute dissolved in 1kg of solvent
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