The Discovery of the Rare GasesE. Arnold & Company, 1928 - 128 من الصفحات |
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الصفحة 5
... lighter than the nitrogen by the first method . The question is , what is the cause of the discrepancy ? " The first nitrogen would be too heavy if it contained residual oxygen . But on this hypothesis about 1 per cent . would be ...
... lighter than the nitrogen by the first method . The question is , what is the cause of the discrepancy ? " The first nitrogen would be too heavy if it contained residual oxygen . But on this hypothesis about 1 per cent . would be ...
الصفحة 6
... lighter than atmospheric nitrogen , was not present in the light gas , as it did not become denser after passage over hot copper oxide ; and hydrogen , deliberately added to the heavy gas , could be removed by this method , the gas ...
... lighter than atmospheric nitrogen , was not present in the light gas , as it did not become denser after passage over hot copper oxide ; and hydrogen , deliberately added to the heavy gas , could be removed by this method , the gas ...
الصفحة 7
... to the addition of some light gas to the heavy one , or of some heavy gas to the light one . If the light gas was hydrogen it would need 7 parts in 2,000 to make it so much lighter . Now ( a ) Notebook . A B C D To 7 THE EARLY NINETIES.
... to the addition of some light gas to the heavy one , or of some heavy gas to the light one . If the light gas was hydrogen it would need 7 parts in 2,000 to make it so much lighter . Now ( a ) Notebook . A B C D To 7 THE EARLY NINETIES.
الصفحة 30
... lighter constituents . of air , and the nitrogen from it would be expected to contain more of the new gas than ordinary atmospheric nitrogen . It took sixteen hours to collect litres of air , and after removal of oxygen in the residual ...
... lighter constituents . of air , and the nitrogen from it would be expected to contain more of the new gas than ordinary atmospheric nitrogen . It took sixteen hours to collect litres of air , and after removal of oxygen in the residual ...
الصفحة 40
... lighter gases . The length of the rod is a matter of common experience , but to obtain a tube which would give results was a matter of trial and error . In some tubes one would only get glass waves , the disturbance of the dust leaving ...
... lighter gases . The length of the rod is a matter of common experience , but to obtain a tube which would give results was a matter of trial and error . In some tubes one would only get glass waves , the disturbance of the dust leaving ...
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The Discovery of the Rare Gases <span dir=ltr>Morris William 1872-1961 Travers</span> لا تتوفر معاينة - 2021 |
The Discovery of the Rare Gases <span dir=ltr>Morris William 1872-1961 Travers</span> لا تتوفر معاينة - 2021 |
عبارات ومصطلحات مألوفة
absorbed absorption actually apparatus argon argon and helium arrangement atmospheric nitrogen atomic weight boiling bulb c.cs carbon Cavendish chemical nitrogen chemistry chemists chlorine coil Collie compound compressor condensed connected constant volume cooled copper oxide density of argon described determination Dewar diatomic discovery of argon elements energy evaporate experiment fact filled fluorine fraction gas-holder glass tube Hampson heavier helium helium and argon investigation iodine krypton laboratory lines liquefied liquid air liquid hydrogen litres Lord Rayleigh magnesium mercury method minerals mixture molecular weight motion neon notebook obtained oxygen paper passed periodic table phosphorus platinum possible potassium Professor Ramsay Prout's hypothesis quantity of argon Ramsay's rare gases ratio removed residue Royal Society samples of gas separate showed sparking specific heats spectroscopic spectrum Sprengel pump stop-cock substance suggestion supposed tellurium temperature Töpler pump tube containing vacuum tube vacuum vessel volatile weight of helium xenon