APPENDIX 1337
TABLE 8
Densities of gases at standard conditions (0C, 1 atm)
Density
Gas Formula Mol. wt. G./l. Lb./cu. ft
Acetylene C 2 H 2 26.02 1.1708 0.0732
Air — — 1.2928 0.0808
Ammonia NH 3 17.03 0.7708 0.0482
Argon A 39.91 1.7828 0.1114
Bromine Br 2 159.83 7.1388 0.4460
Butane C 4 H 10 58.08 2.5985 0.1623
Carbon dioxide CO 2 44.0 1.9768 0.1235
Carbon monoxide CO 28.00 1.2501 0.0781
Carbon oxychloride COCl 2 98.91 4.5313 0.2830
Carbon oxysulfide COS 60.06 2.7201 0.1700
Chlorine Cl 2 70.91 3.2204 0.2011
Chlorine monoxide Cl 2 O 86.91 3.8874 0.2428
Cyanogen C 2 N 2 52.02 2.3348 0.1459
Ethane C 2 H 6 30.05 1.3567 0.0848
Ethyl chloride C 2 H 5 Cl 64.50 2.8700 0.1793
Ethylene C 2 H 4 28.03 1.2644 0.0783
Fluorine F 2 38.00 1.6354 0.1022
Helium He 4.00 0.1769 0.0111
Hydrogen H 2 2.016 0.0898 0.0056
Hydrogen chloride HCl 36.47 1.6394 0.1024
Hydrogen fluoride HF 20.01 0.9218 0.0576
Hydrogen iodide HI 127.94 5.7245 0.3576
Hydrogen selenide H 2 Se 81.22 3.6134 0.2258
Hydrogen sulfide H 2 S 34.08 1.5392 0.0961
Hydrogen telluride H 2 Te 129.52 5.8034 0.3625
Krypton Kr 82.90 3.6431 0.2275
Methane CH 4 16.03 0.7167 0.0448
Methyl chloride CH 3 Cl 50.48 2.3044 0.1440
Neon Ne 20.40 0.8713 0.0544
Nitric oxide NO 30.01 1.3401 0.0837
Nitrogen N 2 28.02 1.2507 0.0782
Nitrous oxide N 2 O 44.02 1.9781 0.1235
Nitrosyl chloride NOCl 65.47 2.9864 0.1865
Oxygen O 2 32.00 1.4289 0.0892
Phosphine PH 4 34.05 1.5293 0.0955
Silicon fluoride SiF 2 104.06 4.6541 0.2907
Sulfur dioxide SO 2 64.06 2.9268 0.1828
Xenon Xa 130.20 5.7168 0.3570
C024_001_r03.indd 1337C024_001_r03.indd 1337 11/18/2005 1:35:58 PM11/18/2005 1:35:58 P