Chemical Principles
8th Edition
ISBN: 9781305581982
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 16, Problem 42E
Interpretation Introduction
Interpretation:
The interplanr spacing for first-order diffraction should be calcualted. The angle for second-orer diffraction should be predicted.
Concept Introduction:
Unit cell is the basic unit of crystal lattice that join together to form an entire lattice of a crystal. These units are repeating units.
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Chapter 16 Solutions
Chemical Principles
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- A first-order (n = 1) reflection from the plane of a cubic crystal was observed at a glancing angle of 11.2° when Cu Ka X-rays (λ = 154 pm) were used. What is the interatomic distance between the atoms in the unit cell in pm?arrow_forwardIf the wavelength l of the X-rays is too large relative to the spacing of planes in the crystal, no Bragg diffraction will be seen because sin u would be larger than 1 in the Bragg equation, even for n = 1. Calculate the longestwavelength of Xrays that can give Bragg diffraction from a set of planes separated by 4.20 Å.arrow_forwardX-rays at a wavelength of 1.541 angstroms (0.1541 nm) are shot at a crystalline solid and a diffraction signal appears at an angle of 21.15º. What is the d-spacing (in nm) corresponding to this signal?arrow_forward
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