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AP Chemistry Chapter 11

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Section 1

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molality

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Chemistry Science

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Mar 1, 2020

Cards (24)

Section 1

(24 cards)

molality

Front

the number of moles of solute per kilogram of solvent in a solution

Back

osmotic pressure

Front

the pressure that must be applied to a solution to stop osmosis

Back

colloid

Front

a suspension of particles in a dispersing medium

Back

reverse osmosis

Front

the process occurring when the external pressure on a solution causes a net flow of solvent through a semipermeable membrane from the solution to the solvent

Back

dialysis

Front

a phenomenon in which a semipermeable membrane allows transfer of both solvent molecules and small solute molecules and ions

Back

osmosis

Front

the flow of solvent into a solution through a semipermeable membrane

Back

molal boiling-point elevation constant

Front

a constant characteristic of a particular solvent that gives the change in boiling point as a function of solution molality

Back

Tyndall effect

Front

the scattering of light by particles in a suspension

Back

Henry's law

Front

the amount of a gas dissolved in a solution is directly proportional to the pressure of the gas above the solution

Back

isotonic solution

Front

solutions having identical osmotic pressures

Back

ion pairing

Front

a phenomenon occurring in solution when oppositely charged ions aggregate and behave as a single particle

Back

Raoult's law

Front

the vapor pressure of a solution is directly proportional to the mole fraction of solvent present

Back

ideal solution

Front

a solution whose vapor pressure is directly proportional to the mole fraction of solvent present

Back

thermal pollution

Front

the oxygen-depleting effect on lakes and rivers of using water for industrial cooling and returning it to its natural source at a higher temperature

Back

mole fraction

Front

the ratio of the number of moles of a given component in a mixture to the total number of moles in the mixture

Back

colligative properties

Front

properties of a solution that depend only on the number, and not on the identity, of the solutes

Back

molal freezing point depression constant

Front

a constant characteristic of a particular solvent that gives the change in freezing point as a function of solution molality

Back

coagulation

Front

the destruction of a colloid by causing particles to aggregate and settle out

Back

semipermeable membrane

Front

a membrane that allows solvent but not solute molecules to pass through

Back

mass percent

Front

the percent by mass of a component of a mixture

Back

molarity

Front

moles of solute per volume of solution in liters

Back

desalination

Front

the removal of dissolved salts from an aqueous solution

Back

van't Hoff factor

Front

the ratio of moles of particles in solution to moles of solute dissolved

Back

normality

Front

the number of equivalents of a substance dissolved in a liter of solution

Back