The New ChemistryD. Appleton and Company, 1897 |
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Pagina viii
... important advance in chemistry during the last decade has resulted from the study of the thermal changes accompanying chem- ical processes , which has proved that the law of the conservation of energy is a directing principle in chem ...
... important advance in chemistry during the last decade has resulted from the study of the thermal changes accompanying chem- ical processes , which has proved that the law of the conservation of energy is a directing principle in chem ...
Pagina xii
... important body of scientific truths , which may be studied to advan- tage by themselves , before attempting to grasp the great scheme which the composition of material nature presents . On this plan the present work has been written ...
... important body of scientific truths , which may be studied to advan- tage by themselves , before attempting to grasp the great scheme which the composition of material nature presents . On this plan the present work has been written ...
Pagina xiv
... important step without difficulty . Since the qualities of a substance inhere in its molecules , the composition of the molecule must be the same as the composition of the substance ; and the percentage of any element , found from an ...
... important step without difficulty . Since the qualities of a substance inhere in its molecules , the composition of the molecule must be the same as the composition of the substance ; and the percentage of any element , found from an ...
Pagina xv
... important chemical agents the acids and alkalies , and first showing that the characteristic qualities of these bodies depend upon a common feature in their molecular structure , known as the hydroxyl group , we readily develop the ...
... important chemical agents the acids and alkalies , and first showing that the characteristic qualities of these bodies depend upon a common feature in their molecular structure , known as the hydroxyl group , we readily develop the ...
Pagina xxi
... of all brings us into the presence of that law which is indeed the thought of God . There is also another fact , which has an important ANTICIPATION IN SCIENCE . 3 bearing on the subject we 2 MOLECULES AND AVOGADRO'S LAW .
... of all brings us into the presence of that law which is indeed the thought of God . There is also another fact , which has an important ANTICIPATION IN SCIENCE . 3 bearing on the subject we 2 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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