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Freezing Point
Beginning of essay
, temperature at which a liquid congeals into the solid state
at a given pressure (see PRESSURE; TEMPERATURE).
The of a pure (unmixed) liquid is essentially the same as
the melting point of the same substance in its solid form and may be
regarded as the temperature at which the solid and liquid st ....
Middle of essay
....t of a solution is lower
than the freezing point of the pure solvent before introduction of the
solute (substance dissolved).
The amount that the freezing point is lowered depends on the molecular
concentration of the solute and on whether the solution is an electrolyte.
Nonelectrolytic solutions have higher freezing points for a given
concentration of solute than do electrolytes. The molecular weight of an
unknown or unidentified substance may be determined by measuring the amount
by which the.... |
| Number of words: 510 |
Approximate pages: 2 |
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