A Manual of Chemistry: Containing the Principal Facts of the Science, in the Order in which They are Discussed and Illustrated in the Lectures at Harvard University, N.E. and Several Other Colleges and Medical Schools in the United States : Compiled and Arranged as a Text Book for the Use of Students, and Persons Attending Lectures on ChemistryMarsh, Capen, Lyon and Webb, 1839 - 556 Seiten |
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A Manual of Chemistry: Containing the Principal Facts of the Science, in the ... John White Webster Keine Leseprobe verfügbar - 2017 |
Häufige Begriffe und Wortgruppen
acetic acid gas action alcohol alkalies alloxan alloy ammonia anhydrous apparatus atoms baryta Berzelius binoxide blue bodies boiling bottle carbonate of potassa carbonic acid Chap charcoal chemical chloric acid chlorine cold colour colourless combination combustion compound contains cooling copper crystalline crystals cyanogen cyanuret cyanuric acid decomposed decomposition dilute dissolved distilled electricity equiv ether evaporation exposed ferrocyanuret fluid formed fused gases grains hydrate hydrochloric acid hydrogen hydrosulphuric acid inches insoluble iodine iron Jour lime liquid matter mercury metallic mixed mixture neutral nitrate nitric acid nitrogen obtained odour oxalic oxalic acid oxide oxygen oxygen gas peroxide phosphorus plate platinum portion potassium powder precipitate prepared produced Properties protoxide pure quantity red heat retort salt Sect sesquioxide silver soda solid soluble in water solution specific gravity substances sulphate sulphuret sulphuric acid temperature tion vapour vessel volatile weight wire yellow zinc
Beliebte Passagen
Seite 545 - THE BORROWER WILL BE CHARGED AN OVERDUE FEE IF THIS BOOK 18 NOT RETURNED TO THE LIBRARY ON OR BEFORE THE LAST DATE STAMPED BELOW. NON-RECEIPT OF OVERDUE NOTICES DOES NOT EXEMPT THE BORROWER FROM OVERDUE FEES. I...
Seite 318 - ... are sufficient to produce the full effect, in the shade several hours are required, and light transmitted through different coloured glasses acts upon it with different degrees of intensity. Thus it is found that red rays, or the common sunbeams passed through red glass, have very little action upon it ; yellow and green are more efficacious, but blue and violet light produce the most decided and powerful effects.
Seite 69 - TT: but in front, as in fig. 1, there is an interstice between the mass of tin connecting the ten copper sheets, and that connecting the ten zinc sheets. The screw forceps, appertaining to each of the tin masses, may be seen on either side of the interstice: and likewise a wire for ignition held between them. The application of the rope, pulley, and weights, is obvious. The swivel at S permits the frame to be swung round and lowered into water in the vessel a, to wash off the acid, which, after immersion...
Seite 163 - A striking example is its power of decomposing water by the action of light, or at a red heat; and most compound substances, of which hydrogen is an element, are deprived of that principle, and therefore decomposed in like manner.
Seite 209 - There was a violent effervescence at the upper surface ; at the lower, or negative surface, there was no liberation of elastic fluid ; but small globules having a high metallic lustre, and being precisely similar in visible characters to quicksilver, appeared, some of which burnt with explosion and bright flame, as soon as they were formed, and others remained, and were merely tarnished, and finally covered by a white film which formed on their surfaces.
Seite 249 - The protoxide is of an ash-gray color, and is the basis of the salts of cobalt, most of which are of a pink hue. When heated to redness in open vessels, it absorbs oxygen, and is converted into the peroxide. It may be prepared by decomposing the carbonate of cobalt by heat, in a vessel from which the atmospheric air is excluded.
Seite 181 - Iodide of nitrogen. From the weak affinity that exists between iodine and nitrogen, these substances cannot be made to unite directly. But when iodine is put into a solution of ammonia, the alkali is decomposed ; its elements unite with different portions of iodine, and thus cause the formation of hydriodic acid and iodide of nitrogen. The latter subsides in the form of a dark powder, which is characterised, like the chloride of nitrogen, by its explosive property.
Seite 58 - ... the mass of the metal. • The power of a metallic or other tissue to prevent explosion, will depend upon the heat required to produce the combustion as compared with that acquired by the tissue; and the flame of the most inflammable substances, and of those that produce most heat in combustion, will pass through a metallic tissue that will interrupt the flame of less inflammable substances, or those that produce little heat in combustion. Or the tissue being the same, and impermeable to all...
Seite 61 - Thus induction appears to be essentially an action of contiguous particles, through the intermediation of which the electric force, originating or appearing at a certain place, is propagated to or sustained at a distance, appearing there as a force of the same kind exactly equal in amount, but opposite in its direction and tendencies (1164.).
Seite 23 - The cause of the expansion of water at the moment of freezing is attributed to a new and peculiar arrangement of its particles. Ice is in reality crystallized water, and during its formation the particles arrange themselves in ranks and lines, which cross each other at angles of 60° and 120°, and consequently occupy more space than when liquid. This may be seen by examining the surface of water while freezing in a saucer.