-
example of this is the use of an ice/rock-salt
mixture to
freeze ice cream.
Adding salt
lowers the
freezing temperature of water,
lowering the
minimum temperature...
- the
mixture, and
cooling and
concentrating the
mixture by
evaporating the solvent, a
process called solution crystallization.
Fractional freezing is generally...
- solid-solid
mixture has a
lower freezing point than the pure
solvent or
solid because the
chemical potential of the
solvent in the
mixture is
lower than...
- filtration,
freezing, and distillation.
there is
little or no
energy change when a
mixture forms (see
Enthalpy of mixing). The
substances in a
mixture keep its...
- an
additive which lowers the
freezing point of a water-based liquid. An
antifreeze mixture is used to
achieve freezing-point
depression for cold environments...
-
piece of ice into the soda.
Slush is made by a
mixture of
sugar and water. To
prevent the
mixture from
freezing solid,
there must be 12–22% of
sugar present...
- laboratories, a
slurry of dry ice in an
organic solvent is a
useful freezing mixture for cold
chemical reactions and for
condensing solvents in
rotary evaporators...
- by
rapidly freezing a
molten mixture of
immiscible metals. One
example of
immiscibility in
metals is
copper and cobalt,
where rapid freezing to form solid...
-
causes freezing on
contact with surfaces.
Unlike a
mixture of rain and snow or ice pellets,
freezing rain is made
entirely of
liquid droplets. The raindrops...
-
maximum proof obtainable by
fractional freezing. "Solar salt", 60% NaNO3 and 40% KNO3,
forms a
eutectic molten salt
mixture which is used for
thermal energy...
