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Freezing Point
Part 1 of Paper
....MPERATURE).
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 states of the
substance are in equilibrium. If heat is applied to a mixture of liquid and
solid substance at its freezing .... Part 2 of Paper
....ecular theory, which conceives the molecules of a solid as
being well ordered and the molecules of a liquid as being disordered. To
solidify, a liquid must have a nucleus (a point of molecular orderliness)
around which the disordered molecules can crystallize. The formation of a
nucleus is a matter of chance, but once a nucleus forms, the supercooled
liquid will solidify rapidly. The freezing point of a solution is lower
than the freezing point of the pure solvent before introduction of the
solu.... |
| Number of words: 510 - Approximate pages: 2 |
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