The New ChemistryD. Appleton and Company, 1897 |
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Pagina xii
... illustrate these principles . Chemistry is defined as the science which treats of those phenomena of nature that involve a change of substance , and such phenomena are defined as chemical processes . It is shown that a chemical process ...
... illustrate these principles . Chemistry is defined as the science which treats of those phenomena of nature that involve a change of substance , and such phenomena are defined as chemical processes . It is shown that a chemical process ...
Pagina xv
... illustrate its use by a number of examples which are so selected as to prepare the way for a further development of the subject . These examples include the phenomena of combustion as a preparation for the grand generalizations of ...
... illustrate its use by a number of examples which are so selected as to prepare the way for a further development of the subject . These examples include the phenomena of combustion as a preparation for the grand generalizations of ...
Pagina 6
... illustrate what I 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 ...
... illustrate what I 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 ...
Pagina 16
... illustrate this point . I have projected on the screen the image of a circular disk made of sectors of gelatine - paper , variously colored . By means of a very simple apparatus , I can revolve the disk , and thus cause the several ...
... illustrate this point . I have projected on the screen the image of a circular disk made of sectors of gelatine - paper , variously colored . By means of a very simple apparatus , I can revolve the disk , and thus cause the several ...
Pagina 33
... illustrate the general principle which I wished to enforce . The principle , in a few words , is this : The volume of a confined mass of gas is inversely pro- portional to the pressure to which it is exposed : the smaller the pressure ...
... illustrate the general principle which I wished to enforce . The principle , in a few words , is this : The volume of a confined mass of gas is inversely pro- portional to the pressure to which it is exposed : the smaller the pressure ...
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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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