Physical properties of carbon dioxide

Carbon dioxide was discovered by Von Helmont and was isolated by Joseph Black in 1757. Physical properties of carbon dioxide were shown by Yandell Henderson in 1925 and J S Haldane in 1926.

It was frequently used to stimulate respiration and there was provision for carbon dioxide cylinders on old Boyle’s machines.

The physical properties of carbon dioxide  are described in detail here.

It is commercially produced by the action of heat or, calcium or magnesium carbonate in the preparation of their oxides.

One of the important physical properties of carbon dioxide is that it is colorless gas with pungent odor in high concentration. Molecular weight is 44 and specific gravity is 1500. It is 0.03% in the atmosphere and 4% in the expired air. It is non-inflammable and does not support combustion.

carbon dioxide is usually kept in liquid state in gray cylinders at a pressure of 733 pi. The cylinders of CO2 are mounted vertically like nitrous oxide and cyclopropane.

Other physical properties of carbon dioxide include:

The  Critical temperature of CO2 is 31°C

the Critical pressure of CO2 is 73.8 bar

The Density of CO2 is 1.87 kg/cc at 15°C

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