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Calculate the diffusivity of hydrogen in air at 1 atm and 298 K from values for hydrogen-oxygen and hydrogen-nitrogen. Assume that air is 21% oxygen

Calculate the diffusivity of hydrogen in air at 1 atm and 298 K from values for hydrogen-oxygen and hydrogen-nitrogen. Assume that air is 21% oxygen and 79% nitrogen. Correct for temperature as required by assuming that diffusivity is proportion to T^1.5

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