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Portsmouth Gaseous Diffusion Plant is a facility located in Scioto Township, Pike County, Ohio, just south of Piketon, Ohio, that previously produced enriched uranium, including highly enriched weapons-grade uranium, for the United States Atomic Energy Commission (AEC), the U.S. nuclear weapons program and Navy nuclear propulsion; in later years, it produced low-enriched uranium for fuel for ...
Rate 1 is the rate of effusion for the first gas. (volume or number of moles per unit time). Rate 2 is the rate of effusion for the second gas. M 1 is the molar mass of gas 1 M 2 is the molar mass of gas 2. Graham's law states that the rate of diffusion or of effusion of a gas is inversely proportional to the square root of its molecular weight.
The gas must be compressed at each stage to make up for a loss in pressure across the diffuser. This leads to compression heating of the gas, which then must be cooled before entering the diffuser. The requirements for pumping and cooling make diffusion plants enormous consumers of electric power. Because of this, gaseous diffusion was the most ...
The rate of diffusion of A, N A, depend on concentration gradient and the average velocity with which the molecules of A moves in the x direction. This relationship is expressed by Fick's law N A = − D A B d C A d x {\displaystyle N_{A}=-D_{AB}{\frac {dC_{A}}{dx}}} (only applicable for no bulk motion)
Rate 1 is the rate of effusion of 235 UF 6. Rate 2 is the rate of effusion of 238 UF 6. M 1 is the molar mass of 235 UF 6 ≈ 235 + 6 × 19 = 349 g·mol −1 M 2 is the molar mass of 238 UF 6 ≈ 238 + 6 × 19 = 352 g·mol −1. Uranium hexafluoride is a highly corrosive substance. It is an oxidant [22] and a Lewis acid which is able to bind to ...
Ohio, Pennsylvania and West Virginia combined form the third-largest natural-gas-producing region in the entire world behind only the remainder of the United States and Russia.
Mar. 5—A local state representative wants Ohio to join other states that test the quality of gasoline sold at filling stations. Ohio, Alaska and Nebraska are the only three U.S. states without ...
The higher the diffusivity (of one substance with respect to another), the faster they diffuse into each other. Typically, a compound's diffusion coefficient is ~10,000× as great in air as in water. Carbon dioxide in air has a diffusion coefficient of 16 mm 2 /s, and in water its diffusion coefficient is 0.0016 mm 2 /s. [1] [2]