The Chemical Catechism: With Notes, Illustrations, and ExperimentsCollins and Company, 1816 - Всего страниц: 559 |
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Стр. 25
... called analysis . It is distinguished by chemists into the simple and the complicated analysis . The former is effected whenever a body is so decomposed that its elements may be exhibited in a separate state , and the body reproduced by ...
... called analysis . It is distinguished by chemists into the simple and the complicated analysis . The former is effected whenever a body is so decomposed that its elements may be exhibited in a separate state , and the body reproduced by ...
Стр. 29
... called fluids : we call the air also a fluid . * Why is the air called a fluid ? Because it flows like a fluid ; † because like a same cause ; for , in very intense artificial colds , the most duc- tile metals , such as gold , silver ...
... called fluids : we call the air also a fluid . * Why is the air called a fluid ? Because it flows like a fluid ; † because like a same cause ; for , in very intense artificial colds , the most duc- tile metals , such as gold , silver ...
Стр. 33
... called ? It is called the atmosphere . ‡ You say the atmosphere is fluid ; what proof have you of its being so ? Many instances might be adduced to show that the atmosphere is fluid , but the ascension of an air - balloon is a ...
... called ? It is called the atmosphere . ‡ You say the atmosphere is fluid ; what proof have you of its being so ? Many instances might be adduced to show that the atmosphere is fluid , but the ascension of an air - balloon is a ...
Стр. 53
... called oxygen air and nitrogen air . Are oxygen and nitrogen the only substances which enter into the composition of the atmosphere ? No ; atmospheric air contains also one part in every thousand ‡ of carbonic acid gas , and several ...
... called oxygen air and nitrogen air . Are oxygen and nitrogen the only substances which enter into the composition of the atmosphere ? No ; atmospheric air contains also one part in every thousand ‡ of carbonic acid gas , and several ...
Стр. 58
... called vital air ; while the other , from its causing the death of those who breathe it , is by the French chemists ( as has before been remarked ) called azotic gas . The necessity of oxygen for supporting combustion may be shown by ...
... called vital air ; while the other , from its causing the death of those who breathe it , is by the French chemists ( as has before been remarked ) called azotic gas . The necessity of oxygen for supporting combustion may be shown by ...
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The Chemical Catechism: With Notes, Illustrations, and Experiments Samuel Parkes Недоступно для просмотра - 2018 |
Часто встречающиеся слова и выражения
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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Стр. 100 - 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...
Стр. 350 - 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...
Стр. 418 - 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,...
Стр. 462 - 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...
Стр. 112 - 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...
Стр. 116 - 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.
Стр. 443 - 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.
Стр. 73 - 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.
Стр. 435 - Steel. Hail, adamantine steel! magnetic lord, King of the prow, the ploughshare, and the sword!
Стр. 463 - 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.