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 Chemistry |
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A Manual of Chemistry: Containing the Principal Facts of the Science, in the ... John White Webster No preview available - 2017 |
Common terms and phrases
acid gas action alcohol alkalies alloxan alloy ammelin ammonia anhydrous antimony arsenic atoms baryta Berzelius binoxide blue bodies boiling carbonate of potassa carbonic acid Chap charcoal chemical chlorine chromic acid cold colour colourless combination combustion compound contains converted cooling copper crystalline crystals cyanogen cyanuret cyanuric acid decomposed decomposition deposited dilute dissolved distilled equiv ether evaporation exposed ferrocyanuret fluid formed fused gases glass gold grains hydrate hydrochloric acid hydrogen hydrosulphuric acid inches insoluble iodine iron Jour lime liquid magnesia matter mercury metallic mixed mixture neutral nitrate nitre nitric acid nitrogen obtained oxalic 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 soluble in water solution specific gravity substances sulphate sulphuret sulphuric acid temperature tion tube vapour vessel volatile weight yellow zinc
Popular passages
Page 72 - In these cases the angle of reflection is always equal to the angle of incidence.
Page 227 - 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.
Page 181 - 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.
Page 87 - 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...
Page 267 - 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.
Page 308 - When the oxide of silver, recently precipitated by baryta or limewater, and separated from adhering moisture by bibulous paper, is left in contact for ten or twelve hours with a strong solution of ammonia, the greater part of it is dissolved; but a black powder remains which detonates violently from heat or percussion.
Page 199 - 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.
Page 94 - ... one of their elements appearing at one side of the battery, and the other at its opposite extremity. An exact uniformity in the circumstances attending the decomposition was also remarked.
Page 79 - 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.).
Page 29 - Two opposite opinions have long existed concerning the ultimate elements of matter. It is supposed, according to one party, that every particle of matter, however small, may be divided into smaller portions, provided our instruments and organs were adapted to the operation. Their opponents contend, on the other hand, that matter is composed of certain...