Chemical Primer: An Elementary Work for Use in High Schools, Academies, And Medical Colleges
Chemical Primer: An Elementary Work for Use in High Schools, Academies, And Medical Colleges
S P Simeon Pease Meads
The book Chemical Primer: An Elementary Work for Use in High Schools, Academies, And Medical Colleges was written by author S P Simeon Pease Meads Here you can read free online of Chemical Primer: An Elementary Work for Use in High Schools, Academies, And Medical Colleges book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Chemical Primer: An Elementary Work for Use in High Schools, Academies, And Medical Colleges a good or bad book?
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H2SO4 -I- BaClj = BaS04 -f- 2Ha white precipitate Salpliuric acid C*oiI of vitriol") is a colorless (if pure) oily liquid (sp. gr. 1.84). It is the most important of the acids, and is used in preparing numberless other sub- stances, especially acids. The experiment illustrates its preparation. 6 Digitized by VjOOQIC CHEMICAL PRIMER, S O2 from burning sulphur is carried into large leaden chambers, whose floors are covered with water. Into these air and nitric acid fumes are admitted. The N from ...the nitric acid acts as a carrier of O from the air to the S Oj. (See Exp. 38.) y y 2 so, + NA = 2 SO, +2KO y 2N0 + O, = NA from the air The dilute acid is evaporated in leaden pans, till it begins to attack the lead. (Commercial H2S O4 contains Pb S O4, which falls as white precipitate when the acid is diluted. ) It is then removed and concen- trated in glans or platinum stills. Exp. 95. — Into a beaker containing water pour twice its volume of strong H^S O4. Great heat is developed. Exp. 96.
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