 The specific gravity of a typical natural gas, which is the ratio of the density of the gas to the density of air at the same temperature and pressure, is 0.6.  A short manual of heat - Page 28by Alexander Irving - 1875Full view - About this book
 | F. McLennan, Bruce R. Kowalski - 1995 - 400 pages
...is numerically equal to its density at this temperature. The specific gravity of a gas is defined as the ratio of the density of the gas to the density of air at a specified temperature and pressure. The conditions are usually specified as standard temperature... | |
 | Ken Arnold, Maurice Stewart - 1998 - 468 pages
...1998 edition by Michael Hale of Paragon Engineering Services, Inc. The specific gravity of a gas is the ratio of the density of the gas to the density of air at standard conditions of temperature and pressure. It may be related to the molecular weight by the... | |
 | 1909 - 954 pages
...volume they themselves occupy. This method was first used by Loschmidt. In this case V will be simply the ratio of the density of the gas to the density of the liquid. For helium, Kamerlingh Onnes (Communications from the Phvs. Labor. Leiden, Nr. 108 (1908),... | |
 | 1925 - 724 pages
...inducing it remains constant so long as the orifice coefficients, the resistance of the burner tube, and the ratio of the density of the gas to the density of the air, do not vary. That is, the ratio of air to gas is independent of the initial pressure of the... | |
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