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Unit 9
| Term | Definition |
|---|---|
| Soluble | capable of dissolving in a particular event |
| solution | a homogeneous mixture of two or more substances uniformly dispersed throughout a single phase |
| solvent | in a solution, the substance in which the solute dissolves |
| solute | in a solution, the substances that dissolves in the solvent |
| suspension | a mixture which particles of a material are more or less evenly dispersed throughout a liquid or gas |
| colloids | a mixture consisting of tiny particles that are intermediate in sixe between those in solutions and those in suspensions and that are suspended in a liquid, solid or gas |
| tyndall effect | a beam of light distinguishes a colloid from a solution and |
| electrolyte | a substance that dissolves in water to give a solution that conducts an electric current |
| non electrolyte | a substance that dissolves in water to gives a solution that does not conduct and electric current |
| 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 cannot dissolve any more solute under the given conditions |
| unsaturated solution | a solution that contains less solute than a saturated solution does and that is able to dissolve additional solute |
| super saturated solution | a solution that holds more dissolved solute than is required to reach equilibrium at a given temperature |
| solubility | the ability of one substance to dissolve in another at a given temperature and pressure; expressed in terms of the amount of solute that will dissolve in a given amount of solvent to produce a saturated solution |
| hydration | the strong affinity of water molecules for particles of dissolved or suspended substances that causes electrolytic dissociated |
| immisible | describes two or more liquids that do not mix with each other |
| miscible | describes two or more liquids that can dissolve into each other in various proportions |
| Henry's law | the law that states that at a constant temperature the solubility of a gas in a liquid is directly proportion to the partial pressure of the gas on the surface of the liquid |
| effervescence | a bubbling of a liquid caused by the rapid escape of a gas rather than by boiling |
| enthalpy of a solution | the amount of energy released or absorbed as heat when a specific amount of solute dissolves in a solvent |
| concentration | the amount of a particular substance in a given quantity of a mixture, solution or more |
| morality | a concentration unit of a solution expressed as moles of solute dissolved per liter of solution |
| molality | the concentration of a solution expressed in moles of solute per kilogram of solvent |
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md395434
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