The New ChemistryD. Appleton and Company, 1897 |
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Pagina xvii
... true . On this plan his interest can be sustained to the end , which is hardly possible in following through the weary cata- logue of elementary substances , involving a repetition of details as profitless to the general student as it ...
... true . On this plan his interest can be sustained to the end , which is hardly possible in following through the weary cata- logue of elementary substances , involving a repetition of details as profitless to the general student as it ...
Pagina xxi
... true that , had Newton lived before Galileo and Kepler , he never could have mastered the difficult problems it was his privilege to solve . We justly honor with the greatest veneration the true men who , having been called to occupy ...
... true that , had Newton lived before Galileo and Kepler , he never could have mastered the difficult problems it was his privilege to solve . We justly honor with the greatest veneration the true men who , having been called to occupy ...
Pagina xxi
... true that , beyond the limits of direct observation , our science is not infallible , and our theo- ries and systems , although they may all contain a ker- nel of truth , undergo frequent changes , and are often revolutionized . Through ...
... true that , beyond the limits of direct observation , our science is not infallible , and our theo- ries and systems , although they may all contain a ker- nel of truth , undergo frequent changes , and are often revolutionized . Through ...
Pagina 11
... true of these three liquids is true in general of all liquids . Each has its own rate of expansion , and the amount in any case does not appear to depend on any peculiar physical state or condition of the liquid , but is con- nected ...
... true of these three liquids is true in general of all liquids . Each has its own rate of expansion , and the amount in any case does not appear to depend on any peculiar physical state or condition of the liquid , but is con- nected ...
Pagina 13
... , in what we call a beam of light , an agent which , in passing through its mass , does discover differ- ences of the kind we have attempted to describe . Now , it is perfectly true that we have no absolute knowledge of.
... , in what we call a beam of light , an agent which , in passing through its mass , does discover differ- ences of the kind we have attempted to describe . Now , it is perfectly true that we have no absolute knowledge of.
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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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