Chapter 12: Solutions Vocabulary

soluble

capable of being dissolved

solution

homogeneous mixture of two or more substances in a single phase

solvent

the dissolving medium in a solution

solute

the substance dissolved in a solution

suspension

if the particles in a solvent are so large that they settle out unless the mixture is constantly stirred or jarred, the mixture is

colloids

If the particles in a solvent are so large that they settle out unless the mixture is constantly stirred or agitated

Tyndall effect

When light is scattered by colloidal particles dispersed in a transparent medium

Electrolyte

A substance that dissolves in water to give a solution that conducts electric current

Non-electrolyte

A substance that dissolves in water to give a solution that does not conduct an electric current is called....

Solution Equilibrium

The physical state in which the opposing processes of dissolution and crystallization of a solute occur at equal rates

Saturated solution

A solution that contains the maximum amount of dissolved solute

Unsaturated solution

A solution that contains less solute than a saturated solution under the existing conditions

Supersaturated solution

A solution that contains more dissolved solute than a saturated solution contains under the same conditions

Solubility

The amount of that substance required to form a saturated solution with a specific amount of solvent at a specified temperature

Hydration

The solution process with water as the solvent

Immiscible

Liquids that are not soluble in each other

Miscible

Liquids that dissolve freely in one another in any proportion

Henry's Law

The solubility of a gas in a liquid is directly proportional to the partial pressure of that gas on the surface of the liquid

Effervescence

The rapid escape of a gas from a liquid in which it is dissolved

Solvated

A solute particle that is surrounded by solvent particles is said to be....

Enthalpy of solution

The net amount of energy absorbed as heat by the solution when a specific amount of solute dissolves in a solvent

Molarity

The number of moles of solute in one liter of solution

Concentration

A measure of the amount of solute in a given amount of solvent or solution

Molality

The concentration of a solution expressed in moles of solute per kilogram of solvent