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Physical Science Chapter 10
Section B
12
Science
10th Grade
01/09/2012
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Term
dipole
 Definition
A molecule that has both negatively and positively charged poles caused by the unequal distribution of electrons
Term
polar molecule
 Definition
A molecule that has partially charged electrical poles
Term
dissociation
 Definition
The process whereby a solvent breaks up an ionic solid
Term
soluble
 Definition
dissolvable
Term
solubility
 Definition
The maximum amount of a solute that can dissolve in a given amount of solvent under normal conditions
Term
miscibility
 Definition

The property that allows two liquids to be

soluble in each other
Term
precipitate
 Definition
A solid formed during a reaction; insoluble in water
Term
saturated
 Definition

Containing the maximum amount of a solute

 that can be dissolved in a given amount of

solvent under normal conditions
Term
supersaturated
 Definition

Having dissolved more than the normal

amount of solute in a given amount of solvent
Term
insoluble
 Definition
substances that cannot be broken apart by water molecules and will not go into a solution
Term
Henry's law
 Definition
The greater the pressure on a liquid, the greater the amount of gas that will remain dissolved in that liquid at any given temperature
Term
Factors That Affect Solubility (p. 232)
 Definition

1. The nature of the solute and the solvent

*Like dissolves like:  the more alike the solute & the solvent the more soluble they will be

2. Temperature

*Solids in liquids:  Solubility generally increases

                   with rise in temperature

*Liquids in liquids:  solubility generally  increases

                    with rise in temperature

* Gases in liquids:  solubility decreases with

                           increase in  temperature

3.  Pressure

*Gases in liquids:  solubility increases with pressure

*Liquids or solids in liquids:  no effect

 

 

 

 
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