- A
substance is
anhydrous if it
contains no water. Many
processes in
chemistry can be
impeded by the
presence of water; therefore, it is
important that...
-
available both in
anhydrous and in
hydrated forms,
which are both hygroscopic. They
feature iron in its +3
oxidation state. The
anhydrous derivative is a...
- the most
commonly encountered hydrate of copper(II) sulfate,
while its
anhydrous form is white.
Older names for the
pentahydrate include blue vitriol,...
- [Al(H2O)6]Cl3,
containing six
water molecules of hydration. Both the
anhydrous form and the
hexahydrate are
colourless crystals, but
samples are often...
-
chloralkali process.
Sodium carbonate is
obtained as
three hydrates and as the
anhydrous salt:
sodium carbonate decahydrate (natron), Na2CO3ยท10H2O,
which readily...
-
compounds are
mainly used for de-icing and dust control.
Because the
anhydrous salt is
hygroscopic and deliquescent, it is used as a desiccant. Calcium...
-
alternative for
sealing concrete against water permeation.
Sodium acetate (
anhydrous) is
widely used as a shelf-life
extending agent and pH-control agent....
-
refrigerated vessels; however, at
standard temperature and
pressure liquid anhydrous ammonia will vaporize.
Ammonia readily dissolves in water. In an aqueous...
- ions and can also
serve as an acid-catalyst for
chemical reactions where anhydrous (water-free)
conditions are desired.
Because of its
acidic nature, hydrogen...
- the
formula Cu(NO3)2(H2O)x. The
hydrates are
hygroscopic blue solids.
Anhydrous copper nitrate forms blue-green
crystals and
sublimes in a
vacuum at 150-200...
