Graham's law of diffusion

Physical Chem.
the principle that at a given temperature and pressure the rate of diffusion of a gas is inversely proportional to the square root of its density.
[1945-50; named after T. GRAHAM]

Useful english dictionary. 2012.

Look at other dictionaries:

  • Graham's law of diffusion — Physical Chem. the principle that at a given temperature and pressure the rate of diffusion of a gas is inversely proportional to the square root of its density. [1945 50; named after T. GRAHAM] * * * …   Universalium

  • Graham's law — Graham s law, also known as Graham s law of effusion, was formulated by Scottish physical chemist, Thomas Graham. Graham found experimentally that the rate of effusion of a gas is inversely proportional to the square root of the mass of its… …   Wikipedia

  • Graham's law — Gra·ham s law grā əmz , gra( ə)mz n a statement in chemistry: under constant pressure and temperature two gases diffuse into each other at rates inversely proportional to the square roots of their respective molecular weights or densities Graham… …   Medical dictionary

  • Graham's law — /ˈgreɪəmz lɔ/ (say grayuhmz law) noun (of gaseous diffusion) the principle that at a given temperature and pressure, the rate of diffusion of a gas is inversely proportional to the square root of its density. {named after Thomas Graham, 1805–69,… …   Australian English dictionary

  • Graham's law — noun Chemistry a law stating that the rates of diffusion and effusion of a gas are inversely proportional to the square root of its density. Origin C19: named after the Scottish chemist Thomas Graham …   English new terms dictionary

  • Fick's law of diffusion — Fick s laws of diffusion describe diffusion and can be used to solve for the diffusion coefficient D . They were derived by Adolf Fick in the year 1855. First law Fick s first law relates the diffusive flux to the concentration field, by… …   Wikipedia

  • Graham , Thomas — (1805–1869) Scottish chemist Graham was the son of a prosperous Glaswegian manufacturer. He entered Glasgow University at the age of 14 and attended the classes of the chemist Thomas Thomson. Graham s father was determined that he should enter… …   Scientists

  • Graham, Thomas — ▪ Scottish chemist born Dec. 20, 1805, Glasgow, Scot. died Sept. 11, 1869, London, Eng.  British chemist often referred to as “the father of colloid chemistry.”       Educated in Scotland, Graham persisted in becoming a chemist, though his father …   Universalium

  • Diffusion (Naturwissenschaft) — Modellhafte Darstellung der Durchmischung zweier Stoffe durch Diffusion Diffusion (v. lat.: diffundere „ausgießen, verstreuen, ausbreiten“) ist ein physikalischer Prozess, der zu einer gleichmäßigen Verteilung von Teilchen und somit zur… …   Deutsch Wikipedia

  • Diffusion — Modellhafte Darstellung der Durchmischung zweier Stoffe durch Diffusion Diffusion (v. lateinisch diffundere ‚ausgießen‘, ‚verstreuen‘, ‚ausbreiten‘) ist ein physikalischer Prozess, der zu einer gleichmäßigen Verteilung von Teilchen und somit …   Deutsch Wikipedia

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