Your American History Reference Guide!
- Calcium carbonate
American History Search
American History Browse
<a href="http://c.casalemedia.com/c?s=64302&f=2&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=64302&u=http%3A%2F%2Fhistorymania.com&f=2&id=0&if=0" width="728" height="90" border="0"/></a>
Categories
:
Carbonates
Calcium carbonate
Properties
General
Name
Calcium carbonate
Chemical formula
Ca
CO
3
Appearance
White solid
Physical
Formula weight
100.1
amu
Melting point
Liquifies under high pressure at 1612
K
(1339
°C
)
Boiling point
decomposes at 1172
K
(899
°C
)
Density
2.7 ×10
3
kg
/
m
3
Crystal structure
Calcite
,
aragonite
or
vaterite
Solubility
0.0013
g
in 100g water
Thermochemistry
Δ
f
H
0
liquid
-1154
kJ
/
mol
Δ
f
H
0
solid
-1207 kJ/mol
S
0
solid
93 J/(mol·K)
Safety
Ingestion
Low hazard for accidental ingestion.
Inhalation
Low hazard, may cause problems in the long term.
Skin
Low hazard.
Eyes
Aragonite
Calcite
Chalk
Limestone
Marble
Travertine
Categories
:
Carbonates
<a href="http://c.casalemedia.com/c?s=64302&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=64302&u=http%3A%2F%2Fhistorymania.com&f=3&id=0&if=0" width="120" height="600" border="0"/></a>
The contents of this article are licensed from
Wikipedia.org
under the
GNU Free Documentation License
. How to see
transparent copy
Search
|
Browse
|
Contact
|
Legal info
