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Thermochemistry

Calcium carbonate

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
01-04-2007 01:16:19
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