What is natural gas? Characteristics

 
 

Composition and properties

CH4

Molecular formula

18.2

Molecular weight of mixture

-160.0 °C

Boiling point at 1 atmosphere

-180.0 °C

Melting point

0.61

Vapour density (Air =1) at 15.5

0.554

Liquid density (Water=1) at 0°/4 °C

1 litre of liquid becomes 600 litres of gas

Expansion ratio

Slightly soluble from 0.1 to 1.0%.

Water solubility at 20 °C

 
 

Characteristics of natural gas