PP-G-XRays-Diffraction-2018 (1).pdf - 3.091 Introduction to...

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3.091 Introduction to Solid State Chemistry Fall Term 2018 Practice Problems – X-Rays & Diffraction (issued 11/1; for quiz 11/8) Problems from Averill & Eldredge, General Chemistry Chapter 12: Chapter Section Problem Type PROBLEMS TO DO 3. Structures of Simple Binary Compounds Conceptual Problems #5, 6, 8, 9 3. Structures of Simple Binary Compounds Numerical Problems #11, 12 5. Why are x-rays used to determine the structure of crystalline materials? Could gamma rays also be used to determine crystalline structures? Why or why not? 6. X-rays are higher in energy than most other forms of electromagnetic radiation, including visible light. Why can’t you use visible light to determine the structure of a crystalline material? 8. It is possible to use different x-ray sources to generate x-rays with different wavelengths. Use the Bragg equation to predict how the diffraction angle would change if a molybdenum x-ray source (x-ray wavelength = 70.93 pm) were used instead of a copper source (x-ray wavelength = 154.1 pm).
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  • Spring '05
  • Wen
  • Diffraction, Electromagnetic spectrum

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