Concept explainers
Interpretation:
The wavelength of x-ray diffraction has to be given.
Concept introduction:
Bragg equation:
Bragg diffraction occurs when radiation, with a wavelength comparable to atomic spacing is scattered in aregular fashion by the atoms of a crystalline system and undergoes constructive interference. For a crystalline solid the waves are scattered from lattice planes separated by the interplanar distance
Figure 1
The Bragg equation is,
Where,
Want to see the full answer?
Check out a sample textbook solutionChapter 11 Solutions
Chemistry: Principles and Practice
- Calcium oxide consists of a face-centered cubic array of O2 ions, with Ca2+ ions at the center of the unit cell and along the centers of all 12 edges. Calculate the number of each ion in the unit cell.arrow_forwardSpinel is a mineral that contains 37.9% aluminum, 17.1% magnesium, and 45.0% oxygen, by mass, and has a density of 3.57 g/cm3.The edge of the cubic unit cell measures 809 pm. How many of each type of ion are present in the unit cell?arrow_forwardPalladium has a cubic crystal structure in which the edge of the unit cell is 389 pm long. If the density of palladium is 12.02 g/cm3, how many palladium atoms are in a unit cell? In which of the cubic unit cells does palladium crystallize?arrow_forward
- Liquid ethylene glycol, HOCH2CH2OH, is one of the main ingredients in commercial antifreeze. Would you predict its viscosity to be greater or less than that of ethanol, CH3CH2OH?arrow_forward8.48 Why must the vapor pressure of a substance be measured only after dynamic equilibrium is established?arrow_forwardDescribe, in general, the structures of ionic solids. Compare and contrast the structure of sodium chloride and zinc sulphide. How many tetrahedral holes and octahedral holes are there per closest packed anion? In zinc sulphide, why are only one-half of the tetrahedral holes filled with cations?arrow_forward
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning