The New ChemistryD. Appleton and Company, 1897 |
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Pagina 71
... Sulphur . Iron . Gold . 20000 Sp . Gr . , 0.8 Density , 0.8 gram . 1. gram . 2.1 gram . 7.8 gram . 19.3 gram . The black squares are supposed to represent cubic centimetres . If assumed to represent cubic decimetres , then the weights ...
... Sulphur . Iron . Gold . 20000 Sp . Gr . , 0.8 Density , 0.8 gram . 1. gram . 2.1 gram . 7.8 gram . 19.3 gram . The black squares are supposed to represent cubic centimetres . If assumed to represent cubic decimetres , then the weights ...
Pagina 105
... sulphur , first setting fire to the sulphur . . . . See ! the iron burns as readily as tinder , and far more brill- iantly . We are dealing , in fact , with oxygen , the same gas which is found all around us in the earth's atmos- phere ...
... sulphur , first setting fire to the sulphur . . . . See ! the iron burns as readily as tinder , and far more brill- iantly . We are dealing , in fact , with oxygen , the same gas which is found all around us in the earth's atmos- phere ...
Pagina 119
... sulphur . The two powders have been rubbed together in a mor- tar until the mass appears perfectly homogeneous and it is impossible with the unaided eye to distinguish the grains of either substance , and yet nothing is easier than to ...
... sulphur . The two powders have been rubbed together in a mor- tar until the mass appears perfectly homogeneous and it is impossible with the unaided eye to distinguish the grains of either substance , and yet nothing is easier than to ...
Pagina 120
... sulphur from the iron which adheres to the magnet , and we recognize at once the yellow color as the particles of sulphur settle to the bottom of the jar . Having shown you now that both iron and sulphur are here present , with their ...
... sulphur from the iron which adheres to the magnet , and we recognize at once the yellow color as the particles of sulphur settle to the bottom of the jar . Having shown you now that both iron and sulphur are here present , with their ...
Pagina 121
... sulphur and iron combined . Hence we conclude that every atom of the iron and every atom of the sulphur still remain in our product , the only difference being that , whereas , previ- ously , the atoms of the sulphur were associated to ...
... sulphur and iron combined . Hence we conclude that every atom of the iron and every atom of the sulphur still remain in our product , the only difference being that , whereas , previ- ously , the atoms of the sulphur were associated to ...
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Termeni și expresii frecvente
acetic ether aëriform alcohol alizarine alkali atom of oxygen atomic weights atoms of hydrogen burning butyric acid called carbonic dioxide charcoal chemical change chemical processes chemist chemistry chlorine color combustion compounds condition consists contain copper criths cubic cubic centimetres cules definite proportions density effect elementary substances elements equal ether evidence example experiment facts flame gases glass grammes heat of formation Hence hydrate hydrochloric acid hydrogen hydrogen gas hydrogen-atoms Illustrations iron lecture light liquid litre magnet mass material metallic microcriths mole molecular structure molecular weight molecule of water molecules nitric nitric acid nitro-glycerine nitrogen nitrous oxide notice obtained oxygen oxygen gas particles phenomena polarized poles potassic pounds pressure principle quantity quantivalence radical reaction relations result salt simple sodic sodium solid solution specific gravity stances sugar sulphur symbols temperature tension theory tion vapor volatile volume wholly
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