A Treatise on Chemistry: The non-metallic elements. 1903D. Appleton, 1903 |
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Términos y frases comunes
absorbed alkali ammonia Annalen apparatus aqueous solution arsenic arsenious oxide atmosphere atoms barium boiling boron bromine calcium carbon bisulphide carbon dioxide carbonic acid caustic charcoal Chem chemical chloric acid chlorine colour colourless combination combustion composition compound Compt condenses contains cooled copper crystalline crystals cylinder decomposed decomposition density dilute dissolved distillation elements employed evaporated evolved flame flask fluorine formation formed formula fumes gases glass grams H₂O heated hydriodic acid hydrochloric acid hydrogen insoluble iodide iodine iron Journ liquid mass melted mercury metals mixture molecular molecules nitrate nitric acid nitrogen nitrous obtained occurs oxide oxygen passed peroxide phosphorus placed platinum potash potassium powder precipitate prepared pressure produced pure reaction Rend retort salt selenious acid selenium silver small quantity sodium solid soluble in water specific gravity substance sulphate sulphide sulphur dioxide sulphuretted hydrogen sulphuric acid tellurium temperature trioxide tube vapour volume weight whilst yellow
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Página 34 - An inquiry into the relative weights of the . . ultimate particles of bodies is a subject, as far as I know, entirely new : I have lately been prosecuting this enquiry with remarkable success. The principle cannot be entered upon in this paper ; but I shall just subjoin the results, as far as they appear to be ascertained by my experiments.
Página 97 - To form some conception of the degree of coarse-grainedness indicated by this conclusion, imagine a rain drop, or a globe of glass as large as a pea, to be magnified up to the size of the earth, each constituent molecule being magnified in the same proportion. The magnified structure would be coarser grained than a heap of small shot, but probably less coarse grained than a heap of cricketballs.
Página 21 - By the experiments with the globe it appeared, that when inflammable and common air are exploded in a proper proportion, almost all the inflammable air, and nearly one-fifth of the common air, lose their elasticity, and are condensed into dew. And by this experiment it appears, that this dew is plain water, and consequently that almost all the inflammable air and about one-fifth of the common air, are turned into pure water.
Página 22 - From what has been said there seems the utmost reason to think, that dephlogisticated air is only water deprived of its phlogiston, and that inflammable air, as was before said, is either phlogisticated water, or else pure phlogiston ; but in all probability the former.
Página 21 - ... times that quantity of common air, and the burnt air made to pass through a glass cylinder eight feet long and three-quarters of an inch in diameter, in order to deposit the dew. The two airs were conveyed slowly into this cylinder by separate copper pipes, passing through a brass plate which stopped up the end of the cylinder...
Página 36 - Now it is one great object of this work to show the importance and advantage of ascertaining the relative weights of the ultimate particles, both of simple and compound bodies, the number of simple elementary particles which constitute one compound particle, and the number of less compound particles which enter into the formation of one more compound particle.
Página 35 - Having been in my progress so often misled by taking for granted the results of others, I have determined to write as little as possible but what I can attest by my own experience.
Página 21 - By this means upwards of 135 grains of water were condensed in the cylinder, which had no taste nor smell, and which left no sensible sediment when evaporated to dryness ; neither did it yield any pungent smell during the evaporation ; in short, it seemed pure water.
Página 272 - OJ ; in other words, the whole of the heat contained in the hot water has just sufficed to melt the ice, but has not raised the temperature of the water thus produced. Hence we see that in passing from the solid to the liquid state a given weight of water takes up or renders...
Página 20 - ... be reduced to a much less bulk than that by any method of phlogistication, we may safely conclude, that when they are mixed in this proportion, and exploded, almost all the inflammable air, and about one-fifth part of the common air, lose their...