The New ChemistryD. Appleton, 1874 - 326 páginas |
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Página 11
... equal to their position , and have acquitted themselves so nobly before the world ; but every student is surprised to find how very little is the share of new truth which even the greatest genius has added to the previous stock ...
... equal to their position , and have acquitted themselves so nobly before the world ; but every student is surprised to find how very little is the share of new truth which even the greatest genius has added to the previous stock ...
Página 13
... EQUAL VOLUMES OF ALL SUBSTANCES , WHEN IN THE STATE OF GAS , AND UNDER LIKE CONDITIONS , CONTAIN THE SAME NUMBER OF MOLECULES ( Avogadro , 1811 — Ampère , 1814 ) . The enunciation of this law is very simple , but , be- fore we can ...
... EQUAL VOLUMES OF ALL SUBSTANCES , WHEN IN THE STATE OF GAS , AND UNDER LIKE CONDITIONS , CONTAIN THE SAME NUMBER OF MOLECULES ( Avogadro , 1811 — Ampère , 1814 ) . The enunciation of this law is very simple , but , be- fore we can ...
Página 22
... equal , on the elasticity of the medium . Assuming that two media have the same density , their elasticities are proportional to the squares of the velocities with which a wave trav- els . The velocity of the sound - wave in air is ...
... equal , on the elasticity of the medium . Assuming that two media have the same density , their elasticities are proportional to the squares of the velocities with which a wave trav- els . The velocity of the sound - wave in air is ...
Página 32
... equal to 1 , 4 , 4 , 1 , or any odd number of fourths of the length of a wave of red light , and this would be the case were it not for the circumstance that , in consequence of certain mechani- cal conditions , the rays of light ...
... equal to 1 , 4 , 4 , 1 , or any odd number of fourths of the length of a wave of red light , and this would be the case were it not for the circumstance that , in consequence of certain mechani- cal conditions , the rays of light ...
Página 39
... great amount of energy , and since this energy exactly balances the at- mospheric pressure , it must be equal to that pressure . But I wish to show you more than this , for not only is it true that the bag expands as the pressure.
... great amount of energy , and since this energy exactly balances the at- mospheric pressure , it must be equal to that pressure . But I wish to show you more than this , for not only is it true that the bag expands as the pressure.
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acetic ether aëriform alcohol alkali atom of carbon atom of oxygen atoms of hydrogen burning butyric acid calcic called carbonic dioxide charcoal chemical change chemist chemistry color combination combustion compounds consists contain criths cubic cubic centimetres cule definite elementary substances elements equal ether evidence experiment facts film flame formic acid gases glass grammes H₂O heat Hence hydrate hydrochloric acid hydrogen hydrogen gas hydrogen-atoms illustrate inch iron lecture light liquid litre mass material metal microcriths mole molecular structure molecular weight molecule of oxygen molecule of water molecules nitric acid nitro-glycerine nitrogen nitrous oxide notice obtained oxide oxygen oxygen atoms oxygen gas particles phenomena phosphorus polarized pole potassic pounds pressure principle proportions quantivalence radical reaction result salt simple sodium solid solution specific gravity sugar sulphur symbol temperature theory tion tube vapor volatile volume wholly