| 单词 | graham's law |
| 释义 | > as lemmasGraham's law Graham's law: that the rates of diffusion and of effusion of a gas are inversely proportional to the square root of its density. ΘΚΠ the world > matter > chemistry > physical chemistry > gaseous phase > [noun] > gas laws Gay-Lussac's law1827 Boyle's law1839 Mariotte's law1843 Gay-Lussac's law1844 Graham's law1845 Henry's law1848 Avogadro's law1880 Charles's law1884 Paschen's law1903 1845 R. B. Todd & W. Bowman Physiol. Anat. II. xxix. 409 Oxygen being the lighter gas, a larger quantity is required to replace the carbonic acid; 81 parts of the latter will require 95 of the former to replace it according to Graham's law, that the diffusion volume of different gases varies inversely as the square root of the density. 1946 S. Glasstone Elem. Physical Chem. iv. 86 The results of Graham's law of diffusion have been used to determine gas densities by measuring the time required for a definite volume of the gas to effuse through a small hole in a thin metal plate. < as lemmas |
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