Elements of Chemistry: Including the Recent Discoveries and Doctrines of the ScienceDesilver, Thomas & Company, 1832 - 682 pagina's |
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Overige edities - Alles bekijken
Elements of Chemistry: Including the Recent Discoveries and Doctrines of the ... Edward Turner Volledige weergave - 1835 |
Elements of Chemistry: Including the Recent Discoveries and Doctrines of the ... Edward Turner Volledige weergave - 1834 |
Elements of Chemistry: Including the Recent Discoveries and Doctrines of the ... Edward Turner Volledige weergave - 1835 |
Veelvoorkomende woorden en zinsdelen
according acetic acid gas action affinity alcohol alkalies ammonia arsenic atmosphere atomic baryta Berzelius bodies boiling bromine caloric carbonic acid carburetted charcoal chemical chemists chloric acid chlorine cold colour colourless combination combustion composed composition compound consists contains converted cooling copper crystals cyanogen Davy decomposed decomposition dilute disengaged dissolved electricity employed ether evaporation exposed ferrocyanate fluid fused gases Gay-Lussac glass heated to redness hydrate hydriodic hydrogen hydrogen gas insoluble iodine iron lime liquid magnesia manganese matter mercury metallic mixed mixture muriatic acid neutral nitrate nitric acid nitrogen nitrous obtained odour olefiant gas oxide oxygen oxygen gas peroxide phosphoric acid phosphorus platinum potassium powder precipitate procured properties proportion protoxide pure quantity red heat salts selenic acid silver Sir H soda soluble in water solution specific gravity strontia substances sulphate sulphuretted hydrogen sulphuric acid temperature Thomson tion tube unites vapour vessels volatile volume weight yields zinc
Populaire passages
Pagina 396 - ... replaced them with this inferior compound. The art of tinning copper consists in covering that metal with a thin layer of tin, in order to protect its surface from rusting. For this purpose, pieces of tin are placed upon a well-polished sheet of copper, which, if the process is skilfully conducted, adhere uniformly to its surface. The oxidation of the tin — a circumstance which would entirely prevent the success of the operation — is avoided by employing fragments of resin, or muriate of...
Pagina 191 - ... appears distinctly luminous in the dark, and is gradually consumed. On this account, phosphorus should always be kept under water.
Pagina 132 - Hence we may conclude, that, in volatile vitriolic acid, a single ultimate particle of sulphur is intimately united only to a single particle of dephlogisticated air; and that, in perfect vitriolic acid, every single particle of sulphur is united to two of dephlogisticated air, being the quantity necessary to saturation.
Pagina 287 - ... Manganese Dioxide and Hydrogen Chloride. — The action of manganese dioxide upon hydrochloric acid is an instructive one. It is a general rule, of which we shall meet many applications, that when an acid interacts with an oxide of a metal, there are two constant features in the result, namely: (1) The oxygen of the oxide combines with the hydrogen of the acid to form water, and (2) the metal of the oxide combines with the acid radical of the acid according to the valences of each.
Pagina 107 - ... weighed again. The difference between the two weights gives the weight of a quantity of water equal to the bulk of the solid.
Pagina 394 - AMA'LGAM is the term applied to that class of alloys (qv) in which one of the combining metals is mercury. On the nature of the union, it has been observed that ' on adding successive small quantities of silver to mercury, a great variety of fluid amalgams are apparently produced ; but in reality, the chief, if not the sole compound, is a solid A, which is merely diffused throughout the fluid mass.
Pagina 172 - ... effect be produced by nitrate of silver, the presence of muriatic acid may be inferred. Nitric acid is purified from sulphuric acid by redistilling it from a small quantity of the nitrate of potash, with the alkali of which the sulphuric acid unites, and remains in the retort. To separate the muriatic acid, it is necessary to drop a solution of nitrate of silver into the nitric acid as long as a precipitate is formed, and draw off the pure acid by distillation.
Pagina 519 - The true theory of the process is founded on the fact, that the sugar, which disappears, is almost precisely equal to the united weights of the alcohol and carbonic acid ; and hence the former is supposed to be resolved, during the process, into the two latter. Though a solution of pure sugar is not susceptible of the vinous fermentation, without being mixed with yeast, yet...
Pagina 178 - ... mixture that contains it. Carbonic acid is absorbed by water. Recently-boiled water dissolves its own volume of carbonic acid, at the common temperature and pressure ; but it will take up much more if the pressure be increased. Water and other liquids, which have been charged with carbonic acid under great pressure, lose the greater part of the gas when the pressure is removed. The effervescence which takes place on opening a bottle of ginger beer, cyder, or brisk champaign, is owing to the escape...
Pagina 524 - In the germ two parts, the radicle and plumula, may be distinguished, the former of which is destined to descend into the earth and constitute the root, the latter to rise into the air and form the stem of the plant. The office of the seed-lobes is to afford nourishment to the young plant, until its organization is so far advanced, that it may draw materials for its growth from extraneous sources. For this reason seeds are composed of highly nutritious ingredients. The chief constituent of most of...