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Toggle the table of contents. ... Nitrogen dioxide is a chemical compound with the formula NO 2. ... Nitrogen dioxide tropospheric column density in 2011.
Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. At standard temperature and pressure, two atoms of the element bond to form N 2, a colorless and odorless diatomic gas.
In atmospheric chemistry, NOx is shorthand for nitric oxide (NO) and nitrogen dioxide (NO2), the nitrogen oxides that are most relevant for air pollution. [ 1 ][ 2 ] These gases contribute to the formation of smog and acid rain, as well as affecting tropospheric ozone.
Van der Waals constants (data page) The following table lists the Van der Waals constants (from the Van der Waals equation) for a number of common gases and volatile liquids. [1] To convert from to , multiply by 100. To convert from to , divide by 10. To convert from to , divide by 1000. a (L 2 bar/mol 2)
Nitrogen dioxide poisoning is the illness resulting from the toxic effect of nitrogen dioxide (NO. 2). It usually occurs after the inhalation of the gas beyond the threshold limit value. [1] Nitrogen dioxide is reddish-brown with a very harsh smell at high concentrations, at lower concentrations it is colorless but may still have a harsh odour.
New York: The International Nickel Company, Inc., 1941: 16. — "Values ranging from 21.3 to 21.5 gm/cm 3 at 20 °C have been reported for the density of annealed platinum; the best value being about 21.45 gm/cm 3 at 20 °C." 21.46 g/cm 3 — Rose, T. Kirke. The Precious Metals, Comprising Gold, Silver and Platinum.
In atmospheric chemistry: NOx (or NO x) refers to the sum of NO and NO2. [1][2] NOy (or NO y) refers to the sum of NOx and all oxidized atmospheric odd-nitrogen species (e.g. the sum of NOx, HNO3, HNO2, etc.) NOz (or NO z) = NOy − NOx. Mixed Oxides of Nitrogen ("MON"): solutions of nitric oxide in dinitrogen tetroxide/nitrogen dioxide.
The term inert gas is context-dependent because several of the noble gases, including nitrogen and carbon dioxide, can be made to react under certain conditions. [ 1 ] [ 2 ] Purified argon gas is the most commonly used inert gas due to its high natural abundance (78.3% N 2 , 1% Ar in air) [ 3 ] and low relative cost.