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28 Cards in this Set

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solution
a mixture with the same composition, color, density, and taste througout
solute
substance being disolved
solvent
substance dissolving
alloy
made by melting solid substances together
solid solution
dissovling
occurs on surface of liquid
solid into liquid
water molecules cluster around other molecules. neg/pos ends attaract pulling other molecules in. break apart. water fills in gaps
gas into liquid
dissolving evenly thoruhoug solution
rate of dissolving
stirring:
brings more solute to solvent

smaller crystals
increases surface area on surface so more reaches solvent

increase temperature
gases; increase rage of dissolving
increase pressure
(less pressure bubbles out)

cool temperature (compresses gas)
dissovling w/out water
nonpolar molecules don't attract water

ex. oil
alchol
polar and nonpolar ends
soap
polar end connects with water, making it foam

non polar end attacks dirt.
solubility
maximum solute that can be dissolved at a certain temperature
concentration
large amount of solute dissovled ina solvent
dilute
small amount ofsolute dissovled
saturated
can't hold anymore solute at given temperature
unsaturated
can dissove more at given temp
supersaturated
contains moe solute than saturated at same temperature
ions
n fluids around body and cells
electrolytes
compounsd that produce ions in water
nonelectrolytes
don't produce ions in water
ion solutions
They must be broken apart
Ionization
Water surrounds molecule and pulls them apart
Forming positive and negative ions
dissociation
ionic solid seperates into poisitive and negative ions

(ions attaracted to solution by water)
solute affects freezing point
Substance freezes
Particles are rearranged in orderly pattern
Added particles interfere with this formation
Harder to freeze
solute affects boiling point
Substance freezes
Particles are rearranged in orderly pattern
Added particles interfere with this formation
Harder to freeze
car radiators
Antifreeze distributed evenly
Fewer water can reach the surface and evaporate
hydrogen bond
weak, but lot of them powerful
oil/water
oil less dense than water. when mixed oil rises to top