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The lowest alkanes with the chemical formula CH4 (one atom of carbon and four atoms of hydrogenbeing gaseous in normal conditions.


Chemical Formula CH4
Molar Mass16.
043E
043 · 10-3 kg/mol

35.37 lb/mol

Сritical Temperature  (Tc) 190.56 °K = -82.59 °C-116.2 °F
 Liquid Density @ 70°F (lb/ft3)Gas Density @ 70°F 1 atm (lb/ft3)0.0416Specific Volume @ 70°F 1 atm (ft3/lb)24.06
Critical Pressure (Pc)4.5992 MPa = 45.992 bar 673 psi
Boiling Point111.65 °K = -161.5 °C-258.7 °F
Melting Point90.694 °K = -182.5 °C-296.42 °F
Psat @ 70°F 
Density at STP0.716 kg/m3 0.0447  lb/ft3
Specific Volume 

Specific Gravity0.565
Specific
Heat @ 70°F (Btu/lbmol-°F)8.53
Heat 


See also

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Natural Science / Physics / Chemistry / Chemical Substance / Hydrocarbons / Alkanes

[ Natural gas density ]