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July 28, 2014

Homework Help: chemistry

Posted by Anonymous on Friday, December 14, 2012 at 4:20am.

You are conducting experiments with your x-ray diffractometer.
(a) A specimen of molybdenum is exposed to a beam of monochromatic x-rays of wavelength set by the Kα line of silver. Calculate the value of the smallest Bragg angle, θhkl, at which you can expect to observe reflections from the molybdenum specimen.
DATA:
λKα of Mo = 0.721
lattice constant of Mo, a = 3.15
λKα of Ag = 0.561
lattice constant of Ag, a = 4.09

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