The New ChemistryD. Appleton and Company, 1897 |
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Pagina xxi
... contain a ker- nel of truth , undergo frequent changes , and are often revolutionized . Through such a revolution the theory of chemistry has recently passed , and the system which is now uni- versally accepted by the principal students ...
... contain a ker- nel of truth , undergo frequent changes , and are often revolutionized . Through such a revolution the theory of chemistry has recently passed , and the system which is now uni- versally accepted by the principal students ...
Pagina 5
... CONTAIN THE SAME NUMBER OF MOLECULES ( Avogadro , 1811 - Ampère , 1814 ) . The enunciation of this law is very simple , but , be- fore we can comprehend its meaning , we must under- stand what is meant by the term MOLECULE . This word ...
... CONTAIN THE SAME NUMBER OF MOLECULES ( Avogadro , 1811 - Ampère , 1814 ) . The enunciation of this law is very simple , but , be- fore we can comprehend its meaning , we must under- stand what is meant by the term MOLECULE . This word ...
Pagina 7
... contain its prop- er proportion of water . The second is , that the cubic inch of water consists of a certain number of definite particles , which , in the process of boiling , are not subdivided , so that the cubic foot of steam contains ...
... contain its prop- er proportion of water . The second is , that the cubic inch of water consists of a certain number of definite particles , which , in the process of boiling , are not subdivided , so that the cubic foot of steam contains ...
Pagina 10
... containing vessel . Now , each of these vapors exerts its own pressure , and just the same pressure as if it occupied the space alone , so that the total pressure is exactly the sum of the three partial pressures . Evidently , then , no ...
... containing vessel . Now , each of these vapors exerts its own pressure , and just the same pressure as if it occupied the space alone , so that the total pressure is exactly the sum of the three partial pressures . Evidently , then , no ...
Pagina 16
... the different colors produces the impression you call white , or , at least , nearly that . The sunbeam produces the same impression , be- MAGNITUDES OF ETHER - WAVES . 17 cause it contains 16 MOLECULES AND AVOGADRO'S LAW .
... the different colors produces the impression you call white , or , at least , nearly that . The sunbeam produces the same impression , be- MAGNITUDES OF ETHER - WAVES . 17 cause it contains 16 MOLECULES AND AVOGADRO'S LAW .
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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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