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Gas | Density | Density | Normal Boiling Pt. | Normal Boiling Pt. |
 | gm/cc | lbs/cu.ft. | °C | °F |
Air | 0.874 | 54.56 | -194.33 | -317.8 |
Argon | 1.394 | 87.020 | -185.87 | -302.56 |
Nitrogen | 0.807 | 50.410 | -195.79 | -320.42 |
Oxygen | 1.141 | 71.230 | -182.96 | -297.33 |
Helium | 0.125 | 7.802 | -268.93 | -452.07 |
Hydrogen | 0.0708 | 4.419 | -252.87 | -432.17 |
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Gas | Density | Specific Volume |
| lbs./cu.ft | cu.ft/lb. |
Air | 0.074906 | 13.3500 |
Argon | 0.103413 | 9.6700 |
Nitrogen | 0.072464 | 13.8000 |
Oxygen | 0.082781 | 12.0800 |
Helium | 0.010340 | 96.7100 |
Hydrogen | 0.005209 | 191.9800 |
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