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Chem. vocab Ch.13


Heterogeneous compostion is not uniform,size and shape of particles may vary. 2 or more clearly differnt components.
Homogeneouse 2 or more differnt substances in a single phase,compostion is uniform ,not easily seperated.
Solution Homogenouse mix of substances
Solvent present in grater amounts, that which does the dissolving
Solute prestent in the lesser amount, that which is being dissolved.
Suspension When particles of a solute are too large to dissolve;instead they settle
Colloid particles of solute are too large to dissolve but are too small to settle,appears to be one phase
Disersing Medium solvent
Dispersed Phase Solute
The Tyndall Effect helps to tell the differnce between a collid and a true solution
Alloy metals made by mixeing to other metals together
Electrolytes dissolves in a solution as ions that will support an electric current.
Non electrolytes dissolves but not as ions, wont support current.
Covalently bonded solutions non electrolytes
Acids Are covently bonded substances that shouldnt conduct electricy but they do because they are polar
Agiate shake or stir to bring fresh solvent intocontact w/ undissolved solute
Crush or grind solute surface area of solute that is in contact w/ the solvent which increases dissolving time
saturated solution contains the maximum dissolved solute that it can depending on the t and vof the solvent.
Solutoin and equililbrum Saturated Solution- no more solute is dissovling
Unsaturated Solution solvant can dissolve more sollute for a given T and V
Super Saturated Solution has benn forced to dissolve more solute than it should be able to for its T and V
Solubility the amount required to form a saturated solution for a given T and V of solute.
Created by: geiger15