Principles and Applications of Chemistry; For the Use of Academies, High-Schools, and Colleges

Principles and Applications of Chemistry; For the Use of Academies, High-Schools, and Colleges : Introducing the Latest Results of Scientific Discovery and Research, and Arranged with Special Reference to the Practical Application of

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1872 edition. Excerpt: ...stated, that when sulphur is burned in air, or oxygen, the product is sulphurous acid. This gas, if made to combine with half as much oxygen again as it already contains, is converted into sulphuric acid; thus SO-f-O--SOs. In other words, sulphurous acid must be oxydized in order to enable us to form sulphuric acid. Oxygen and sulphurous acid can not, hewever, be made to unite directly, but the intervention of some third substance is necessary. In the presence of water, the union takes place slowly, or if the two gases be mixed, and passed over Bpongy platinum, the union is effected immediately. Neither of these processes can, hewever, be used with advantage in the arts; and the manufacture of sulphuric acid upon a large scale depends upon the fact, that when sulphurous acid mixed with oxygen is brought in contact with doutoxyd of nitrogen (NOs), or any of the other higher oxyds of nitrogen, combination takes place with great rapidity; the presence of a very small proportion of doutoxyd of nitrogen being moreover sufficient to effect the combination of an almost indefinite amount of sulphurous acid and oxygen, provided that water is also present. The following experiment will serve to illustrate the general principle upon which sulphuric acid is manufactured. Burn in a jar, containing a little water at the bottom, a piece of sulphur; as a consequence, the vessel becomes filled with sulphurous acid. If we now introduce into the gas a shaving moist Questions What experiments are illustrative? What is said of the compounds of sulphurous acid with the bases 1 What is antichlorine? What is said of sulphuric acid? What of its theoretical preparation? Upon what fact docs its practical preparation depend? How may it be experimentally illustrated? more

Product details

  • Paperback | 230 pages
  • 189 x 246 x 12mm | 417g
  • United States
  • English
  • black & white illustrations
  • 123693492X
  • 9781236934925