The New chemistryD. Appleton and Company, 1875 - 326 páginas |
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Página 52
... specific gravity as olive - oil , and in it I have suspended a few drops of the oil . By placing the liquid in a cell , between parallel plates of glass , I can readily project an image of the drops on the screen , and I wish you to ...
... specific gravity as olive - oil , and in it I have suspended a few drops of the oil . By placing the liquid in a cell , between parallel plates of glass , I can readily project an image of the drops on the screen , and I wish you to ...
Página 68
... specific gravity of a substance is the ratio be- tween the weight of the substance and that of an equal volume of some other substance taken as a standard . For liquids and solids , water is always the standard selected , and the specific ...
... specific gravity of a substance is the ratio be- tween the weight of the substance and that of an equal volume of some other substance taken as a standard . For liquids and solids , water is always the standard selected , and the specific ...
Página 69
... specific gravity and also the weight of one cubic centimetre of the substance in grammes ; and , since both 1,000 grammes = 1 kilogramme , and 1,000 cubic centimetres 1 litre , it expresses also the weight of one litre in kilogrammes ...
... specific gravity and also the weight of one cubic centimetre of the substance in grammes ; and , since both 1,000 grammes = 1 kilogramme , and 1,000 cubic centimetres 1 litre , it expresses also the weight of one litre in kilogrammes ...
Página 70
... specific gravity of gases , we avoid large and fractional numbers , by selecting , as our stand- ard , hydrogen gas , which is the lightest form of mat- ter known ; but we thus lose the advantage gained by having the unit - volume of ...
... specific gravity of gases , we avoid large and fractional numbers , by selecting , as our stand- ard , hydrogen gas , which is the lightest form of mat- ter known ; but we thus lose the advantage gained by having the unit - volume of ...
Página 71
... specific gravity of the gas referred to hy- drogen , a number which also expresses the weight of one litre of the gas in criths . To return now to the subject of molecular weights . If one litre of hydrogen weighs one crith , and one ...
... specific gravity of the gas referred to hy- drogen , a number which also expresses the weight of one litre of the gas in criths . To return now to the subject of molecular weights . If one litre of hydrogen weighs one crith , and one ...
Palavras e frases frequentes
acetic ether aëriform alcohol alkali atom of oxygen atoms of hydrogen Avogadro burning butyric acid calcic called carbonic dioxide charcoal chemical change chemist chemistry chlorine color combination combustion consists contain criths cubic cubic centimetres cule definite elementary substances elements energy equal ether evidence example experiment fact film flame formic acid gases glass grammes H₂O heat Hence hydrate hydrochloric acid hydrogen hydrogen gas hydrogen-atoms illustrate inch iron lecture light liquid litre mass material metal microcriths mole molecular structure molecular weight molecule of oxygen molecule of water molecules nitric acid nitro-glycerine nitrogen nitrous oxide notice number of molecules obtained oxide oxygen oxygen gas particles phenomena phosphorus polarized pole potassic pounds pressure principle proportions quantivalence radical reaction result salt simple sodium solid solution specific gravity sugar sulphur symbol temperature theory tion vapor volatile volume wholly
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Página 200 - ... human agency can withstand, does it seem as if any power could undo that work of destruction, and rebuild those beams and rafters which are disappearing in the flames ? Yet in a few years they will be rebuilt. This mighty force will be overcome ; not, however, as we might expect, amidst the convulsion of nature, or the clashing of the elements, but silently, in a delicate leaf waving in the sunshine.
Página 324 - is a work of extraordinary interest and value. The subject is peculiarly attractive in the immensity of its scope, and exercises a fascination over the imagination so absorbing that it can scarcely find expression in words. It has all the charms of wonder-tales, and excites scientific and unscientific minds alike."— Boston Gazette.
Página 324 - AUSTIN FLINT, Jr., MD Complete in Five Volumes, octavo, of about 500 pages each, with 105 Illustrations. Cloth, $22.00; sheep, $27.00. Each volume sold separately. Price, cloth, $4.50; sheep, $5.50. The fifth and last volume has just been issued. The above is by far the most complete work on human physiology in the English language.