The Chemical Catechism: With Notes, Illustrations, and ExperimentsCollins and Company, 1816 - 559 頁 |
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第 32 頁
... pure water , in decimal figures , water being always considered as 1.000 . Thus the specific gravity of the strongest sulphuric acid of commerce is said to be 1.900 , or nine - tenths heavier than water . Iron is 7.650 , or more than 74 ...
... pure water , in decimal figures , water being always considered as 1.000 . Thus the specific gravity of the strongest sulphuric acid of commerce is said to be 1.900 , or nine - tenths heavier than water . Iron is 7.650 , or more than 74 ...
第 34 頁
... Pure silver is 10 times the specific gravity of water . For an account of the other methods of taking the specific gravity of different substances , see Additional Notes , No. 1 . That one substance swims upon another , in consequence ...
... Pure silver is 10 times the specific gravity of water . For an account of the other methods of taking the specific gravity of different substances , see Additional Notes , No. 1 . That one substance swims upon another , in consequence ...
第 35 頁
... pure water weighs one pound , avoirdupois . * If the specific gravity of water be so much greater than that of atmospheric air , how is water retained in the atmosphere ? The water which is taken up by the atmosphere him to comprehend ...
... pure water weighs one pound , avoirdupois . * If the specific gravity of water be so much greater than that of atmospheric air , how is water retained in the atmosphere ? The water which is taken up by the atmosphere him to comprehend ...
第 52 頁
... Pure atmospheric air is composed of three gaseous sub- stances only , but it is perpetually contaminated by a variety of exhalations from the earth . " The atmosphere is a vast labo- ratory , in which Nature operates immense analyses ...
... Pure atmospheric air is composed of three gaseous sub- stances only , but it is perpetually contaminated by a variety of exhalations from the earth . " The atmosphere is a vast labo- ratory , in which Nature operates immense analyses ...
第 53 頁
... . N. S. vol . i . 254 . If a pure alkali be exposed to the atmosphere , it will gradually absorb carbonic acid . This is also the case with se- What other substances are found in atmospheric air ? Besides Chap . 2. ] 53 ATMOSPHERIC AIR .
... . N. S. vol . i . 254 . If a pure alkali be exposed to the atmosphere , it will gradually absorb carbonic acid . This is also the case with se- What other substances are found in atmospheric air ? Besides Chap . 2. ] 53 ATMOSPHERIC AIR .
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absorb acetate Additional Notes affinity alkalies alumine ammonia animal antimony arsenic atmospheric air attraction barytes beautiful becomes bismuth blue bodies boiling burning called caloric carbonic acid charcoal chemical chemical affinity Chemistry chemists cold colour combination combustion common compound contains converted copper crystals decomposed decomposition degree dissolved distillation Ditto earth effect employed evaporation experiment fire fluid furnace gases glass gold grains heat hydrogen hydrogen gas insoluble iron lead lime liquid liquor magnesia manganese manufacture melted mercury metallic oxides mineral mixed mixture muriate of soda muriatic acid nature nitrate nitric acid nitrogen nitrous ounce oxide oxygen gas oxymuriatic acid particles phial phosphoric acid phosphorus platina portion potass powder precipitate procured produced properties pure quantity render Salts formed silex silver Sir Humphrey Davy solid soluble solution specific gravity strontian substances sulphate sulphuret sulphuric acid surface temperature thermometer tion vapour vegetable vessel weight zinc
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第 100 頁 - Soon shall thy arm, unconquered steam, afar Drag the slow barge or drive the rapid car ; Or, on wide-waving wings expanded, bear The flying chariot through the fields of air...
第 350 頁 - Full many a gem of purest ray serene The dark unfathom'd caves of ocean bear : Full many a flower is born to blush unseen, And waste its sweetness on the desert air. Some village- Hampden, that, with dauntless breast, The little tyrant of his fields withstood, Some mute inglorious Milton here may rest, Some Cromwell guiltless of his country's blood. Th...
第 418 頁 - And how well doth it execute its office! An anatomist, who understood the structure of the heart, might say beforehand that it would play; but he would expect, I think, from the complexity of its mechanism, and the delicacy of many of its parts, that it should always be liable to derangement, or that it would soon work itself out. Yet shall this wonderful machine go, night and day, for eighty years together, at the rate of a hundred thousand strokes every twenty-four hours, having, at every stroke,...
第 462 頁 - The potash began to fuse at both its points of electrization. There was a violent effervescence at the upper surface ; at the lower, or negative surface, there was no liberation...
第 112 頁 - There, through the prison of unbounded wilds, Barr'd by the hand of Nature from escape, Wide roams. the Russian exile. Nought around Strikes his sad eye, but deserts lost in snow; And heavy-loaded groves; and solid floods, That stretch athwart the solitary vast...
第 116 頁 - That, ever busy, wheels the silent spheres; Works in the secret deep; shoots, steaming, thence The fair profusion that o'erspreads the Spring: Flings from the sun direct the flaming day; Feeds every creature ; hurls the tempest forth ; And, as on earth this grateful change revolves, With transport touches all the springs of life.
第 443 頁 - Science, hast thou wander'd there, To waft us home the message of despair ? Then bind the palm, thy sage's brow to suit, Of blasted leaf, and death-distilling fruit ! Ah me ! the laurell'd wreath that Murder rears, Blood-nursed, and watered by the widow's tears, Seems not so foul, so tainted, and so dread, As waves the night-shade round the sceptic head.
第 73 頁 - As home he goes beneath the joyous moon. Ye that keep watch in heaven, as earth asleep Unconscious lies, effuse your mildest beams, Ye Constellations, while your angels strike, Amid the spangled sky, the silver lyre. Great Source of day, best image here below Of thy Creator, ever pouring wide, From world to world, the vital ocean round, On Nature write with every beam his praise.
第 435 頁 - Steel. Hail, adamantine steel! magnetic lord, King of the prow, the ploughshare, and the sword!
第 463 頁 - When a globule of the basis of potash is placed upon ice, it instantly burns with a bright flame, and a deep hole is made in the ice, which is found to contain a solution of potash.