The New ChemistryD. Appleton and Company, 1897 |
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Pagina 38
... hydrogen gas , the value at the temperature of freezing water is about 6,097 feet per second . The internal energy , therefore , in a pound of hydrogen gas at the freezing - point is as great as that of a pound - ball moving 6,097 feet ...
... hydrogen gas , the value at the temperature of freezing water is about 6,097 feet per second . The internal energy , therefore , in a pound of hydrogen gas at the freezing - point is as great as that of a pound - ball moving 6,097 feet ...
Pagina 68
... hydrogen under the same conditions . If , then , there are in the cubic foot of each gas the same number of molecules , each molecule of oxygen must weigh six- teen times as much as each molecule of hydrogen . It is much more convenient ...
... hydrogen under the same conditions . If , then , there are in the cubic foot of each gas the same number of molecules , each molecule of oxygen must weigh six- teen times as much as each molecule of hydrogen . It is much more convenient ...
Pagina 72
... hydrogen gas , which is the lightest form of mat- ter known ; but we thus lose the advantage gained by having the unit - volume of our standard the unit of weight . It is no longer true that W.-V. x Sp . Gr . In order to preserve this ...
... hydrogen gas , which is the lightest form of mat- ter known ; but we thus lose the advantage gained by having the unit - volume of our standard the unit of weight . It is no longer true that W.-V. x Sp . Gr . In order to preserve this ...
Pagina 73
... Hydrogen . Nitrogen . Oxygen . Chlorine . Sp . Gr . , 1 Density , 1 crith . 14 14 criths . = 16 16 criths . 35.5 ... hydrogen weighs one crith , and one litre of oxygen sixteen criths , and if both contain the same number of molecules ...
... Hydrogen . Nitrogen . Oxygen . Chlorine . Sp . Gr . , 1 Density , 1 crith . 14 14 criths . = 16 16 criths . 35.5 ... hydrogen weighs one crith , and one litre of oxygen sixteen criths , and if both contain the same number of molecules ...
Pagina 74
... hydrogen , it is obvious that , if we should select the hydrogen - molecule as the unit of molecular weights , then the number rep- resenting the specific gravity of a gas would also ex- press the weight of its molecules in these units ...
... hydrogen , it is obvious that , if we should select the hydrogen - molecule as the unit of molecular weights , then the number rep- resenting the specific gravity of a gas would also ex- press the weight of its molecules in these units ...
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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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