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Physical Properties for Nitrous Oxide

Nitrous Oxide
Formula N2O
Molecular Weight (lb/mol) 44.01
Critical Temp. (°F) 97.6
Critical Pressure (psia) 1053.3
Boiling Point (°F) -128.3
Melting Point (°F) -131.6
Psat @ 70°F (psia) 751.3
Liquid Density @ 70°F (lb/ft3) 48.21
Gas Density @ 70°F 1 atm (lb/ft3) 0.1145
Specific Volume @ 70°F 1 atm (ft3/lb) 8.74
Specific Gravity 1.555
Specific Heat @ 70°F (Btu/lbmol-°F) 9.17


Gas Physical Properties

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