The New ChemistryD. Appleton and Company, 1897 |
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Pagina xv
... reaction . After this simple systern of symbols has been described , it becomes evident that our chemical equations not only accurately represent the relations of a chemical process , but also that they are constant declarations of the ...
... reaction . After this simple systern of symbols has been described , it becomes evident that our chemical equations not only accurately represent the relations of a chemical process , but also that they are constant declarations of the ...
Pagina 89
... important and fundamental laws which govern chemical changes , and to these I wish to direct your special attention . The first of those laws appears in the fact , univer- sally observed , that in every chemical reaction the sum 8.
... important and fundamental laws which govern chemical changes , and to these I wish to direct your special attention . The first of those laws appears in the fact , univer- sally observed , that in every chemical reaction the sum 8.
Pagina 90
Josiah Parsons Cooke (Jr.) sally observed , that in every chemical reaction the sum of the weights of the products is exactly equal to the sum of the weights of the factors . Thus , with the burn- ing candle the weight of the carbonic ...
Josiah Parsons Cooke (Jr.) sally observed , that in every chemical reaction the sum of the weights of the products is exactly equal to the sum of the weights of the factors . Thus , with the burn- ing candle the weight of the carbonic ...
Pagina 92
... reaction the mass of the products was equal to the mass of the factors . On a former occasion I have spoken of this general truth as the LAW OF THE CONSERVATION OF MASS . The fitness of the ex- pression is obvious , and it appears to ...
... reaction the mass of the products was equal to the mass of the factors . On a former occasion I have spoken of this general truth as the LAW OF THE CONSERVATION OF MASS . The fitness of the ex- pression is obvious , and it appears to ...
Pagina 100
... reactions , as we call them — we always ex- press the reaction as taking place between the individ- ual molecules of the substances concerned . But , although the molecules are the limit of the physical subdivision of a substance , the ...
... reactions , as we call them — we always ex- press the reaction as taking place between the individ- ual molecules of the substances concerned . But , although the molecules are the limit of the physical subdivision of a substance , the ...
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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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