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Calculate the pressures, P, in atmospheres at which the mean free path, /of a hydrogen molecule will be 2.50 pm, 2.50 mm, and 2.50 m,

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Calculate the pressures, P, in atmospheres at which the mean free path, /of a hydrogen molecule will be 2.50 pm, 2.50 mm, and 2.50 m, respectively, at 20.0 C. The diameter of a H, molecule is 270 pm. at I = 2.50 um, P = 4.93 x10-3 atm at I = 2.50 mm, P = 4.93 x10-6 am am at / = 2.50 m, P = 4.93 X10-9 walChemtry Publisher: University Science

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