The New ChemistryD. Appleton and Company, 1897 |
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Pagina vii
... Mean- while the distinction between elementary substances and materials consisting of isolated elementary atoms has become clear , and in making these last , alone , the elements of chemistry we have pushed our science , if not to its ...
... Mean- while the distinction between elementary substances and materials consisting of isolated elementary atoms has become clear , and in making these last , alone , the elements of chemistry we have pushed our science , if not to its ...
Pagina 5
... This word is the one selected by Avogadro in the enuncia- tion of his law . It is obviously of Latin origin , and means simply a little mass of matter . Ampère used in its place the word particle , in precisely the same.
... This word is the one selected by Avogadro in the enuncia- tion of his law . It is obviously of Latin origin , and means simply a little mass of matter . Ampère used in its place the word particle , in precisely the same.
Pagina 6
... mean by the word molecule . When , by boiling under the atmospheric pressure , water changes into steam , it expands 1,800 times ; or , in other words , one cubic inch of water yields one cubic foot of steam , nearly . Now , two ...
... mean by the word molecule . When , by boiling under the atmospheric pressure , water changes into steam , it expands 1,800 times ; or , in other words , one cubic inch of water yields one cubic foot of steam , nearly . Now , two ...
Pagina 9
... means , we add more water , the additional quantity thus added will not evaporate , pro- vided that the temperature remains at the boiling - point . Let us next , however , add a quantity of alcohol , and what do we find ? Why , not ...
... means , we add more water , the additional quantity thus added will not evaporate , pro- vided that the temperature remains at the boiling - point . Let us next , however , add a quantity of alcohol , and what do we find ? Why , not ...
Pagina 13
... means homogeneous to a wire which was small enough to penetrate the meshes . If , now , there are similar interstices in this mass of glass , we should expect that , if our wire were small enough ( that is , of dimensions corresponding ...
... means homogeneous to a wire which was small enough to penetrate the meshes . If , now , there are similar interstices in this mass of glass , we should expect that , if our wire were small enough ( that is , of dimensions corresponding ...
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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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