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Only certain lighter than air gases are suitable as lifting gases. Dry air has a density of about 1.29 g/L (gram per liter) at standard conditions for temperature and pressure (STP) and an average molecular mass of 28.97 g/mol, [1] and so lighter-than-air gases have a density lower than this.
(lit. source) 1.2506 g/L: 8 O oxygen (O 2) use: 1.429 g/L: 0 °C, 101.325 kPa CRC (calc. ideal gas) 1.308 g/L: 25 °C, 101.325 kPa LNG: 1.331 g/L: 20 °C KCH: 1.42895 kg/m 3: 0 °C, 101.3 kPa VDW: 1.429 g/L: 0 °C, 101.325 kPa (lit. source) 1.429 g/L: 0 °C 9 F fluorine (F 2) use: 1.7 g/L: 0 °C, 101.325 kPa CRC (calc. ideal gas) 1.553 g/L: 25 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Chemical element with atomic number 10 (Ne) This article is about the chemical element. For other uses, see Neon (disambiguation). Chemical element with atomic number 10 (Ne) Neon, 10 Ne Neon Appearance colorless gas exhibiting an orange-red glow when placed in an electric field ...
The abundances of the naturally occurring isotopes of neon. ... Light radioactive neon isotopes usually decay to fluorine or oxygen, ... (100) 30.9(1.1) ms ...
The Gas composition of any gas can be characterised by listing the pure substances it contains, and stating for each substance its proportion of the gas mixture's molecule count.Nitrogen N 2 78.084 Oxygen O 2 20.9476 Argon Ar 0.934 Carbon Dioxide CO 2 0.0314
The contribution of the muscle to the specific heat of the body is approximately 47%, and the contribution of the fat and skin is approximately 24%. The specific heat of tissues range from ~0.7 kJ · kg−1 · °C−1 for tooth (enamel) to 4.2 kJ · kg−1 · °C−1 for eye (sclera). [13]
Because of its scarcity, xenon is much more expensive than the lighter noble gases—approximate prices for the purchase of small quantities in Europe in 1999 were 10 €/L (=~€1.7/g) for xenon, 1 €/L (=~€0.27/g) for krypton, and 0.20 €/L (=~€0.22/g) for neon, [67] while the much more plentiful argon, which makes up over 1% by volume ...
The ideal gas equation can be rearranged to give an expression for the molar volume of an ideal gas: = = Hence, for a given temperature and pressure, the molar volume is the same for all ideal gases and is based on the gas constant: R = 8.314 462 618 153 24 m 3 ⋅Pa⋅K −1 ⋅mol −1, or about 8.205 736 608 095 96 × 10 −5 m 3 ⋅atm⋅K ...