The New ChemistryHenry S. King & Company, 1874 - 326 páginas |
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Página 9
... distinction between fact and theory ob- trudes itself at once upon our attention . We see that , while the prominent facts of science have re- mained the same , its history has been marked by MOLECULES AND AVOGADRO'S.
... distinction between fact and theory ob- trudes itself at once upon our attention . We see that , while the prominent facts of science have re- mained the same , its history has been marked by MOLECULES AND AVOGADRO'S.
Página 27
... once different velocities , and , according to the well - known principles of wave - motion , the unequal bending that results is the necessary effect of the unequal change in velocity which the rays experience . But , if the material ...
... once different velocities , and , according to the well - known principles of wave - motion , the unequal bending that results is the necessary effect of the unequal change in velocity which the rays experience . But , if the material ...
Página 29
... the tumbler before the lantern in such a position that the beam of light will be reflected by the film upon the screen , and then , on interposing a lens , we have at once a distinct image of the film . Success now depends on our keeping.
... the tumbler before the lantern in such a position that the beam of light will be reflected by the film upon the screen , and then , on interposing a lens , we have at once a distinct image of the film . Success now depends on our keeping.
Página 30
... once all the particolors vanish and we have merely alternate red and dark bands . Watch , now , the bands as they chase each other , as it were , over the film , and notice that already new bands cease to appear , and that a uniform ...
... once all the particolors vanish and we have merely alternate red and dark bands . Watch , now , the bands as they chase each other , as it were , over the film , and notice that already new bands cease to appear , and that a uniform ...
Página 41
... once the air in the gas- ometer shrinks to its original volume , while the barome- ter goes back to 30 inches . We might next take a condensing - pump , and , ar- ranging our apparatus so as to resist the ever - increasing pressure , as ...
... once the air in the gas- ometer shrinks to its original volume , while the barome- ter goes back to 30 inches . We might next take a condensing - pump , and , ar- ranging our apparatus so as to resist the ever - increasing pressure , as ...
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Términos y frases comunes
acetic ether aëriform alcohol alkali atom of oxygen atomic weights atoms of hydrogen burning butyric acid calcic called carbonic dioxide charcoal chemical change chemistry chlorine color combination combustion compounds consists contain Cornhill criths Crown 8vo cubic cubic centimetres cule definite Edition elementary substances elements energy equal ether evidence experiment facts flame formic acid gases Gazette glass grammes heat Hence hydrate hydrochloric acid hydrogen hydrogen gas hydrogen-atoms illustrate iron lecture light liquid litre mass material metal microcriths mole molecular structure molecular weight molecule of oxygen molecule of water molecules nitric nitric acid nitro-glycerine nitrogen obtained oxide oxygen oxygen gas particles Paternoster Row phenomena phosphorus polarized pole potassic pounds pressure Price Prof Published by Henry quantivalence radical reaction result salt simple sodium solid solution specific gravity sugar sulphur symbol temperature theory tion vapor volatile volume
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