Nitrous sentence example

nitrous
  • Half a century later, nitrous oxide came into use as an anesthetic.
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  • Amongst endothermic compounds may be noted hydriodic acid, HI, acetylene, C 2 H 2, nitrous oxide, N 2 O, nitric oxide, NO, azoimide, N 3 H, nitrogen trichloride, NC1 3.
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  • Again, in nitrous oxide we have a compound of 8 parts by weight of oxygen and 14 of nitrogen; in nitric oxide a compound of 16 or 8 X 2 parts of oxygen and 1 4 of nitrogen; in nitrous anhydride a compound of 24 or 8 X 3 parts of oxygen and 14 of nitrogen; in nitric peroxide a compound of 3 2 or 8 X 4 parts of oxygen and 14 of nitrogen; and lastly, in nitric anhydride a compound of 4 o or 8 X 5 parts of oxygen and 14 of nitrogen.
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  • For example take the oxides of nitrogen, N 2 0, NO, N 2 0 3, NO 2, N 2 0 5; these are known respectively as nitrous oxide, nitric oxide, nitrogen trioxide, nitrogen peroxide and nitrogen pentoxide.
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  • More important are Kekule's observations that nitrous acid oxidizes pyrocatechol or [I.2]-dioxybenzene, and protocatechuic acid or [3.4]- dioxybenzoic acid to dioxytartaric acid, (C(OH) 2 COOH) 2 (Ann., 1883, 221, p. 230); and 0.
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  • The first class includes those substances which require no preliminary treatment, and comprises the amides and ammonium compounds, pyridines, quinolines, alkaloids, albumens and related bodies; the second class requires preliminary treatment and comprises, with few exceptions, the nitro-, nitroso-, azo-, diazoand amidoazo-compounds, hydrazines, derivatives of nitric and nitrous acids, and probably cyanogen compounds.
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  • Meyer, which are formed when nitrous acid acts on primary aliphatic nitro compounds.
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  • In acid solution, potassium permanganate oxidizes it to nitric acid, but in alkaline solution only to nitrous acid.
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  • It is decomposed by sulphuric acid, with evolution of nitrous oxide.
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  • Nitrous acid, HN02, is found to some extent in the form of its salts in the atmosphere and in rain water.
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  • It is very unstable, decomposing into nitrous oxide and water when mixed with copper oxide, lead chromate or even powdered glass.
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  • When methyl iodide is used, nitromethane is the sole product, but the higher homologues give more or less of the isomeric nitrous esters.
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  • The nitro compounds are colourless, somewhat pleasant smelling liquids, which distil without decomposition and possess boiling points much higher than those of the isomeric nitrous esters.
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  • When heated with water and mineral acids, the nitrolic acids are completely decomposed, yielding fatty acids and nitrous oxide.
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  • Iron, zinc, cadmium, also tin under certain conditions, reduce the dilute acid, partially at least, to nitrous oxide, N 2 0, or ammonium nitrate, NH4N03.
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  • Cold dilute nitric acid dissolves zinc as nitrate, with evolution of nitrous oxide.
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  • At higher temperatures, or with stronger acid, nitric oxide, NO, is produced besides or instead of nitrous.
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  • It may be prepared by the fusion of para-toluene sulphonic acid with potash; by the action of nitrous acid on para-toluidine; or by heating para-oxyphenyl acetic acid with lime.
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  • It is an alkaline liquid, which when anhydrous boils at 116.5° C. Nitrous acid converts it into ethylene oxide.
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  • Both classes readily exchange the imide hydrogen for acid radicals, and give nitrosamines with nitrous acid.
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  • The three classes of diamines may be distinguished by their behaviour towards nitrous acid.
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  • This formula was very nearly confirmed for hydrogen, carbon dioxide and nitrous oxide.
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  • It is obtained by the dry distillation of nitrogenous vegetable and animal products; by the reduction of nitrous acid and nitrites with nascent hydrogen; and also by the decomposition of ammonium salts by alkaline hydroxides or by slaked lime, the salt most generally used being the chloride (sal-ammoniac, q.v.) thus 2NH 4 C1+Ca(OH) 2 =CaC1 2 +2H 2 O+2NH 3.
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  • On gentle heating, it is decomposed into water and nitrous oxide.
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  • Heated in a current of carbon dioxide sodamide yields caustic soda and cyanamide, and with nitrous oxide it gives sodium azoimide; it deflagrates with lead or silver nitrate and explodes with potassium chlorate.
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  • Acids yield a sodium salt and free oxygen or hydrogen peroxide; with carbon dioxide it gives sodium carbonate and free oxygen; carbon monoxide gives the carbonate; whilst nitrous and nitric oxides give the nitrate.
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  • Nitrous acid and chlorine readily decompose them with liberation of iodine; the same effect being produced when they are heated with concentrated sulphuric acid and manganese dioxide.
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  • C 6 H 4 N2 C6H3(NH2)2, is prepared by the action of nitrous.
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  • Whatever were the means employed to rid air of accompanying oxygen, a uniform value of the density was arrived at, and this value was z% greater than that appertaining to nitrogen extracted from compounds such as nitrous oxide, ammonia and ammonium nitrite.
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  • I therefore made an experiment to determine whether the whole of a given portion of the phlogisticated air of the atmosphere could be reduced to nitrous acid, or whether there was not a part of a different nature to the rest which would refuse to undergo that change.
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  • Having by these means condensed as much as I could of the phlogisticated air, I let up some solution of liver of sulphur to absorb the dephlogisticated air; after which only a small bubble of air remained unabsorbed, which certainly was not more than of the bulk of the dephlogisticated air let up into the tube; so that, if there be any part of the dephlogisticated air of our atmosphere which differs from the rest, and cannot be reduced to nitrous acid, we may safely conclude that it is not more than 7a part of the whole."
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  • This corresponds to N+1 7 5 0, the oxygen being decidedly in excess of the proportion required to form nitrous acid.
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  • It may be noted that in a paper on the "Proportion of the gases or elastic fluids constituting the atmosphere," read by him in November 1802, the law of multiple proportions appears to be anticipated in the words - "The elements of oxygen may combine with a certain portion of nitrous gas or with twice that portion, but with no intermediate quantity," but there is reason to suspect that this sentence was added some time after the reading of the paper, which was not published till 1805.
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  • Diazosuccinic ester, N2 C(C02C2H5)2, is similarly prepared by the action of nitrous acid on the hydrochloride of aspartic ester.
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  • Ethyl nitrate, C2H5.0N02, is a colourless liquid which boils at 86.3° C. It is prepared by the action of nitric acid on ethyl alcohol (some urea being added to the nitric acid, in order to destroy any nitrous acid that might be produced in secondary reactions and which, if not removed, would cause explosive decomposition of the ethyl nitrate).
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  • The offensive taste of rape oil may also be removed by treatment with a small proportion of sweet spirit of nitre (nitrous ether).
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  • Alkaline hypobromites or hypochlorites or nitrous acid decompose urea into carbon dioxide and nitrogen.
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  • Hyponitrous acid is formed by passing nitrous fumes into its methyl alcohol solution.
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  • Oxygen is also administered in chloroform poisoning, and in threatened death from the inhalation of coal gas or nitrous oxides.
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  • It may be synthetically prepared by the fusion of cymol sulphonic acid with caustic potash; by the action of nitrous acid on 1-methyl-2-amino-4-propyl benzene; by prolonged heating of 5 parts of camphor with r part of iodine; or by heating carvol with glacial phosphoric acid.
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  • Amidotetrazotic acid yields addition compounds with amines, and by the further action of nitrous acid yields a very explosive derivative, diazotetrazol, CN 3.
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  • His last chemical paper, published in 1788, on the "Conversion of a mixture of dephlogisticated and phlogisticated air into nitrous acid by the electric spark," describes measures he took to authenticate the truth of the experiment described in the 1785 paper, which had "since been tried by persons of distinguished ability in such pursuits without success."
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  • The first products of this reaction are copper nitrate and nitric oxide, but, as the concentration of the copper nitrate increases, nitrous oxide and, eventually, free nitrogen are liberated.
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  • Sulphuric acid may be applied as such on the ores placed in lead, brick, or stone chambers; or as a mixture of sulphur dioxide, nitrous fumes (generated from Chile saltpetre and sulphuric acid), and steam, which permeates the ore resting on the false bottom of a brick chamber.
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  • Two very old remedies for fever are acetate of ammonia and nitrous ether.
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  • Now we can see the reason for their administration, because the nitrous ether, consisting chiefly of ethyl nitrite, dilates the superficial vessels and thus allows greater escape of heat from the surface; while acetate of ammonia, by acting as a diaphoretic and stimulating the secretion of sweat, increases the loss of heat by evaporation.
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  • In addition to the bacterial actions which result in the oxidization of ammonia to nitrous acid, and of the latter to nitric acid, the reversal of such processes is also brought about by numerous bacteria in the soil, rivers, &c. Warington showed some time ago that many species are able to reduce nitrates to nitrites, and such reduction is now known to occur very widely in nature.
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  • One of his first discoveries at the Pneumatic Institution on the 9th of April 17 9 9 was that pure nitrous oxide (laughing gas) is perfectly respirable, and he narrates that on the next day he became "absolutely intoxicated" through breathing sixteen quarts of it for "near seven minutes."
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  • The gas itself was inhaled by Southey and Coleridge among other distinguished people, and promised to become fashionable, while further research yielded Davy material for his Researches, Chemical and Philosophical, chiefly concerning Nitrous Oxide, published in 1800, which secured his reputation as a chemist.
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  • The orthoand parasemidines can be readily distinguished by their behaviour with different reagents; thus with nitrous acid the ortho-semidines give azimido compounds, whilst the para-semidines give complex diazo derivatives; with formic or acetic acids the ortho-semidines give anhydro compounds of a basic character, the para-semidines give acyl products possessing no basic character.
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  • It crystallizes in long needles; forms salts C5H5N5.2HI and (C5H5N5)2.H2SO4.2H2O, and is converted by nitrous acid into hypoxanthine or 6-oxypurin.
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  • Canine is a secondary base, forming a nitroso derivative with nitrous acid, a urethane with chlorcarbonic ester and a tertiary base (methyl conine) with methyl iodide; reactions which point to the presence of the = NH group in the molecule.
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  • Where the nitrous fumes prevail and there is less water present, sulphur dioxide combines with nitrous acid and oxygen to form nitroso-sulphuric acid, a crystalline substance of the formula SO 2 (OH)(ONO).
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  • The re-formed nitrous acid, although not stable, any more than is its anhydride, N203, is nevertheless the j` oxygen carrier" in question, as the products of its spontaneous decomposition, when meeting with other compounds, always react like nitrous acid itself and thus may transfer an indefinite quantity of oxygen to the corresponding quantities of SO 2 and H 2 O, with the corresponding formation of H2S04.
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  • It is evident that the "nitrous gases" present in the vitriol chamber consist essentially of a mixture of NO and N02, the latter being formed from NO by the excess of oxygen present.
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  • For similar reasons it is necessary to employ much more water than is required to form H 2 SO 4; and this is all the more necessary as strong sulphuric acid dissolves the nitrous compounds in the shape of nitroso-sulphuric acid, and thus withdraws these oxygen carriers from the gas-space of the chambers where the necessary reactions take place.
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  • The commercial production of sulphuric acid imperatively requires that the nitrogen oxides (which originally were always introduced in the shape of nitric acid) should be available as long as possible, before being lost mechanically or by reduction to the inactive forms of nitrous oxide or elementary nitrogen.
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  • But this important invention was of little use until John Glover, about 1866, found that the nitrous vitriol could be most easily reintroduced into the process by subjecting it to the action of burner-gas before this enters into the lead chambers, preferably after diluting it with chamber acid, that is, acid of from 65 to 70%, H 2 SO 4, as formed in the lead chambers.
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  • The gases now pass on to the lead chambers, described above, where they meet with more nitrous vapours, and with steam, or with water, converted into a fine dust or spray.
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  • This gas is now passed through the Gay-Lussac tower, which somewhat resembles the Glover tower, but is usually filled with coke, over which sulphuric acid of about 80% H2504 trickles down in sufficient quantity to retain the nitrous vapours.
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  • On the continent of Europe makers generally prefer to employ liquid nitric acid, which is run through the Glover tower together with the nitrous vitriol.
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  • Many attempts have been made to reduce the chamber space by apparatus intended to bring about a better mixture of the gases, and to facilitate the interaction of the misty particles of nitrous vitriol and dilute acid floating in the chamber with each other and with the chamber atmosphere.
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  • The dinitroso acid slowly decomposes into sulphuretted hydrogen, nitrogen, nitrous oxide, and the heptanitroso acid.
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  • A typical member is nitric oxide; carbon monoxide and nitrous oxide may also be put in this class, but it must be remembered that these oxides may be regarded, in some measure at least, as the anhydrides of formic and hyponitrous acid, although, at the same time, it is impossible to obtain these acids by simple hydration of these oxides.
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  • Another method is based upon the different behaviour of the corresponding nitro-alkyl with nitrous acid.
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  • By this treatment a primary nitro-alkyl yields a nitrolic acid, the potassium salt of which forms an intense red solution; a secondary nitro-alkyl forms a pseudo nitrol, which gives an intense blue solution, while the tertiary compound does not act with nitrous acid.
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  • Primary alcohols are obtained by decomposing their sulphuric acid esters (from sulphuric acid and the olefines) with boiling water; by the action of nitrous acid on primary amines; or by the reduction of aldehydes, acid chlorides or acid anhydrides.
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  • It crystallizes in prisms, containing one molecule of water of crystallization, the anhydrous form melting at 234-235° C. Nitrous acid converts it into malic acid, [[Hooc Choh Ch 2 Cooh]].
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  • Nitrous oxide (laughing gas) was at one time believed to act simply by cutting off the supply of oxygen to the tissues, but it also has a specific effect in producing paralysis of certain parts of the central nervous system, and hence its value as an anaesthetic; when given in small amounts mixed with air it produces a condition of exhilaration.
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  • The latter becomes reduced to nitrous in the body, and thereby exercises its characteristic effects.
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  • An improved method of preparation was found in the use of hippuric acid, which reacts with hydrazine hydrate to form hippuryl hydrazine, C 6 H 5 [[Conh Ch 2 Conh Nh]] 2, and this substance is converted by nitrous acid into diazo-hippuramide, C 6 H 5 [[Conh Ch 2 Co Nh N 2.0h]], which is hydrolysed by the action of caustic alkalis with the production of salts of hydrazoic acid.
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  • Wislicenus (Berichte, 1892, 25, p. 2084) has prepared the sodium salt by passing nitrous oxide over sodamide at high temperatures.
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  • Nitrous Oxide as an anesthetic Nitrous oxide found a more scientific use as an anesthetic in clinical dentistry and medicine in the early 1840s.
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  • Formula 4 Feet contains the amino acid arginine, which is the precursor for the formation of nitrous oxide in the tissue circulation.
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  • Mode of Action Nitrous oxide suppresses spinal impulses and may supress supraspinal pathways.
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  • After using a slipstream, press nitrous quickly to go at least 180 mph.
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  • You can do this as long as you have nitrous.
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  • We have learned that intensively managed pasture produces far more nitrous oxide than was suspected.
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  • At private parties, oxygen tanks are rarely supplied, and people have died of asphyxiation by breathing straight nitrous oxide through face masks.
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  • Methotrexate should be used with caution in patients taking drugs known to have antifolate potential including nitrous oxide and trimethoprim.
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  • With the exception of adult patients receiving nitrous oxide / oxygen inhalation sedation, an escort is mandatory for conscious sedation.
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  • These chargers contain liquid nitrous oxide under great pressure.
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  • The revised IPCC Guidelines document [25] was used to give a range of emission factors for nitrous oxide.
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  • After using a slipstream, press Nitrous quickly to go at least 180 mph.
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  • Nitrous Oxide is also a sedative so it can make you feel very woozy and dizzy.
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  • This method does not give a pure gas, varying amounts of nitrous oxide and nitrogen being present (see Nitric Acid).
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  • It is an alkaline liquid, which when anhydrous boils at 116.5° C. Nitrous acid converts it into ethylene oxide.
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  • When warmed with a solution of nitrous acid, they are converted into phenols; if, however, nitrous acid be added to an ice-cold solution of a primary amine in excess of mineral acid, a diazonium salt is formed (see Az o Compounds and DIAzO Compounds), or in absence of excess of acid, a diazoamine is produced.
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  • It may be prepared by heating racemic acid (see TARTARIC Acid) with fuming hydriodic acid; by heating fumaric acid (q.v.) with water at 150-200° C.; by the action of nitrous acid on inactive aspartic acid; and by the action of moist silver oxide on monobromsuccinic acid.
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  • Ethyl nitrate, C2H5.0N02, is a colourless liquid which boils at 86.3° C. It is prepared by the action of nitric acid on ethyl alcohol (some urea being added to the nitric acid, in order to destroy any nitrous acid that might be produced in secondary reactions and which, if not removed, would cause explosive decomposition of the ethyl nitrate).
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  • It is customary to use oxygen in combination with chloroform, or nitrous oxide in order to produce insensibility to pain (see Anaesthetics).
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  • Chiozza, Ann., 1852, 83, p. 118) or with ferrous sulphate and baryta, and kynurine (-y-oxyquinoline), which is obtained by the action of nitrous acid on y-aminoquinoline (A.
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  • It crystallizes in prisms, containing one molecule of water of crystallization, the anhydrous form melting at 234-235° C. Nitrous acid converts it into malic acid, [[Hooc Choh Ch 2 Cooh]].
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  • Global warming is believed to be caused by excessive greenhouse gases in the earth's atmosphere such as carbon dioxide, methane and nitrous oxide.
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  • Nitrous oxide is a gas produced by the burning of organic matter, during the production of nitric acid and nylon, and through the use of fertilizer.
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  • Rainforests and oceans also naturally produce Nitrous oxide.
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  • Considering that agriculture contribute almost 60 percent of nitrous oxide in the world, you may find it comforting to support farming practices which are more environmentally friendly.
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  • Get 100% completion in career mode to unlock the prototype mods for all cars in career mode and Extreme Nitrous Series in Arcade mode.
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  • Complete all of the series in Arcade Mode (except for the Extreme Nitrous Series) to unlock Gold, Silver, and Bronze Prototype Challenge Series.
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  • Nitrous run is a fun mode where you boost around the track passing as many gates as you can.
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  • In the Nitrous Run races, if you timer is running out and you haven't used all of your nitrous, push the button to release it, giving you lots of speed.
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  • They are formed by the action of nitrous fumes on ammoniacal solutions of cobaltous salts, or purpureo-salts, or by the mutual reaction of chlorpurpureosalts and alkaline nitrites.
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  • It decomposes slowly on standing, yielding water and nitrous oxide.
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