A Manual of Elementary Chemistry: Theoretical and PracticalH.C. Lea, 1869 - 833 ページ |
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多く使われている語句
acetic acid action alcohol aldehyde alkalies ammonia ammonium analogous anhydrous antimony aqueous atoms barium benzoic bodies boiling bromine C₂H₂O C₂H₃ calcium called carbon dioxide caustic charcoal chemical chloric acid chloride cold color colorless combination composition compounds containing converted cooling copper crystalline crystals cyanide decomposed decomposition density dilute dissolves distillation easily ethene ether ethyl excess flame forms fused gases glass H₂ heat hydrate hydrochloric acid hydrogen sulphide insoluble iodide iodine iron isomeric latter liquid melts mercury metallic mixed mixture molecules monoxide neutral nitrate nitric acid nitrogen obtained odor oil of vitriol oxalic acid oxide oxygen passing phosphorus platinum potash potassium potassium chloride precipitate prepared prisms produced pure reaction retort salts separated silver sodium sodium carbonate solid soluble soluble in water solution specific gravity substance sulphate sulphuric acid temperature tion tube vapor vessel volatile volume weight yellow yields zinc
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28 ページ - It is better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake.
75 ページ - In this manner it was found that the heat required to raise the temperature of a pound of water by 1° F. is equivalent to 1034 times the force expended in raising a pound weight one foot high, or to 1034 "foot pounds," as it is technically expressed.
81 ページ - The prcduction and consumption of heat which accompany changes in the state of aggregation, or of the volume of bodies, are easily explained, according to the preceding principles, by taking account of the work done by the acting forces'.
594 ページ - This is secured by its being washed in a stream of water for several weeks. Subsequently a weak solution of potash may be used, but this is not essential. The prolonged continuance of these processes...
27 ページ - In order to obtain at pleasure the specific gravity of any particular liquid compared with that of water, it is only requisite to weigh equal bulks at the standard temperature, and then divide the weight of the liquid by the weight of the water; the quotient will of course be greater or less limn unity, as the liquid experimented on is heavier or lighter than water.
30 ページ - Since the loss of weight of a solid submerged in water is equal to the weight of the volume of water displaced...
221 ページ - Hydrogen and chlorine unite in the proportion of 1 part, by weight, of the former, to 35-5 parts of the latter, and in no other. The same quantity of chlorine combines with 39-1 parts of potassium, 23 of sodium, and 108 of silver. These several quantities of sodium, potassium, and silver, are capable of saturating the same quantity of chlorine that ia saturated by 1 part of hydrogen.
228 ページ - If the smallest volume of a gaseous clement that can enter into combination be called the combining volume of that element, the law of combination may be expressed as follows: The combining volume* of all elementar'/ gases are equal, excepting those of phosphorus and arsenic, which are only half those of the other elements in the gaseous slate, and those of mercury and cadmium, which are double those of the other elements.
140 ページ - Lenarto has no doubt come from such an atmosphere, in which hydrogen greatly prevailed. This meteorite may be looked upon as holding imprisoned within it, and bearing to us, the hydrogen of the stars.
151 ページ - It is necessary to bear this in mind in order to understand why the air which is absorbed by water out of the atmosphere differs in composition from atmospheric air.