A bcc crystal structure went under a monochromatic radiation with a 0.1542 wavelength. The peaks are shown in the graph. At peak 4, determine the atomic radius and compare with 0.1371 nm.

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Q: Question: Find the diffusivity of CO2 in N2 at 30oC and 740 mm Hg.

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Q: .calculate the free energy of mixing of 2.0 moles he, 3.0 moles ar and 5.0 moles be at 300 k.

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