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


Chemical Formula CH4
Molecular Weight (lb
Molar Mass16.043 · 10-3 kg/mol
)
16.04Critical Temp. (°F)

35.37 lb/mol

Сritical Temperature  (Tc) 190.56 °K = -82.59 °C-116.2 °F
Critical Pressure (
psia
Pc)4.5992 MPa = 45.992 bar 673 psi
Boiling Point
(°F)
111.65 °K = -161.5 °C-258.7 °F
Melting Point
(°F)-296
90.694 °K = -182.5
Psat @ 70°F (psia)(note 1)Liquid Density @ 70°F (lb/ft3)(note 1)Gas Density @ 70°F 1 atm (lb/ft3)0.0416Specific Volume @ 70°F 1 atm (ft3/lb)24.06
°C-296.42 °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 ]