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a) With the molar masses of 22.99 and 35.45 g/mol respectively for sodium and chloride and the density 2.17 g/cm³, what would be the lattice parameter for the cubic unit cell?

a) With the molar masses of 22.99 and 35.45 g/mol respectively for sodium and chloride and the density 2.17 g/cm³, what would be the lattice parameter for the cubic unit cell?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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a) With the molar masses of 22.99 and 35.45 g/mol respectively for sodium and chloride and the density 2.17 g/cm³, what would be the lattice parameter for the cubic unit cell? b) With incident neutron beam of 13.7 meV, what would be the scattering angle 20 for the (200) and (400) Bragg peak? c) After you have measured at the (200) Bragg peak, moving to the (400) Bragg peak, how much an angle you need to rotate the A20? How much an angle you need to rotate the Δω? d) After you have measured at the (200) Bragg peak, instead of moving to (400) now you want to measure (111) Bragg peak, what are the A20 and Ao? Assume that the (110) Bragg peak has been aligned in the horizontal scattering plane by the four-circle goniometer.
Transcribed Image Text:a) With the molar masses of 22.99 and 35.45 g/mol respectively for sodium and chloride and the density 2.17 g/cm³, what would be the lattice parameter for the cubic unit cell? b) With incident neutron beam of 13.7 meV, what would be the scattering angle 20 for the (200) and (400) Bragg peak? c) After you have measured at the (200) Bragg peak, moving to the (400) Bragg peak, how much an angle you need to rotate the A20? How much an angle you need to rotate the Δω? d) After you have measured at the (200) Bragg peak, instead of moving to (400) now you want to measure (111) Bragg peak, what are the A20 and Ao? Assume that the (110) Bragg peak has been aligned in the horizontal scattering plane by the four-circle goniometer.
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