A text-book on chemistry : for the use of schools and colleges . of distillation. DEUTOXIDE OF HYDROGEN. H02= 17-013. There is another compound of hydrogen and oxygen,the deutoxide of hydrogen. It contains twice the amount ofoxygen found in water, and is characterized by a remark-able facility of decomposition. It is a liquid substance,possesses bleaching powers, and is heavier than water. LECTURE XLII. Nitrogen.—Preparation of Nitrogen.—Properties.—ItsIndifferent Nature.—Its Oxygen Compounds.—Atmos-pheric Air.— Constitution of.—Dimensions of.—Rela-tions to Organization.—Density and Temperatur
A text-book on chemistry : for the use of schools and colleges . of distillation. DEUTOXIDE OF HYDROGEN. H02= 17-013. There is another compound of hydrogen and oxygen,the deutoxide of hydrogen. It contains twice the amount ofoxygen found in water, and is characterized by a remark-able facility of decomposition. It is a liquid substance,possesses bleaching powers, and is heavier than water. LECTURE XLII. Nitrogen.—Preparation of Nitrogen.—Properties.—ItsIndifferent Nature.—Its Oxygen Compounds.—Atmos-pheric Air.— Constitution of.—Dimensions of.—Rela-tions to Organization.—Density and Temperature.—Fix-ed and Variable Constituents.—Experimental Proofs ofits Pressure. NITROGEN. N— gas is most readily procured from the atmos-pheric air by burning phosphorus in a bell jar over the What is the relation of water to acids, bases, and salts ? By what pro-cess is water purified? What is the constitution and properties of thedeutoxide of hydrogen? What is the process for preparing nitrogen byphosphorus ? NITROGEN GAS. 189. pneumatic trough. If a piece Fig. 176. of phosphorus be laid in a cup {Fig. 176) and set on fire, all the oxygen in the air of the jar, a, will be consumed, white flakes of phosphoric acid forming, and these, being finally dissolved in the water of the trough, d, there is left behind nitrogen, contami- nated to a small extent by the vapor of phosphorus. If nitrate of ammonia be placed in a retort, and the tem-perature raised until it emits protoxide of nitrogen, andat that moment, by means of a wire passing through acork in the tubulure, a piece of zinc is lowered down uponthe melted mass, oxide of zinc is produced, and nitrogengas escapes. The decomposition is very simple, Nitrogen gas is a colorless, tasteless, and inodorousbody, very sparingly soluble in water, that liquid dissolv-ing but 1| per cent, of its volume. It is lighter than at-mospheric air, its specific gravity being 0-976. Its atomicweight i
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