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Calcium carbonate

From Academic Kids

Properties

General

Name Calcium carbonate
Chemical formula CaCO3
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 ×103 kg/m3
Crystal structure Calcite, aragonite or vaterite
Solubility 0.0013 g in 100g water

Thermochemistry

ΔfH0liquid -1154 kJ/mol
ΔfH0solid -1207 kJ/mol
S0solid 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 Low hazard.
More info Hazardous Chemical Database

SI units were used where possible. Unless otherwise stated, standard conditions were used.

Disclaimer and references

 

Calcium carbonate is a chemical compound, with chemical formula CaCO3. It is commonly used as an antacid, and is the active ingredient in agricultural lime.

It is a common substance found as rock in all parts of the world and is the main component of seashells and the shell of snails.

As rock, it is found in the following states:

es:Carbonato clcico fr:Carbonate de calcium nl:Calciumcarbonaat ja:炭酸カルシウム zh:碳酸鈣

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