7. It is not possible to pack spheres together without leaving some void spaces between the spheres. Packing efficiencyis the fraction of space in a crystal that is actually occupied by atoms. Determine the packing efficiency of a face-centered cubic metal as shown in a figure below.4r-- 45°8. What determines which species in a solid solution is the solute and which is the solvent? Explain the 24-karat Goldpreparation.AuAgSubstitutional alloy14karat geldInterstitial alloySael9. The unit cell of a binary compound of copper and oxygen is shown here. Given this image and the ionic radii (a)determine the empirical formula of this compound, Cu* = 0.74 Å and ro = 1.26 A (b) determine the coordinationnumbers of copper and oxygen, (c) estimate the length of the edge of the cubic unit cell, and (d) estimate the density ofthe compound.

Answered: Image /qna-images/answer/4a49cc95-edf4-4b28-a848-60daf9d62943.jpg

7. It is not possible to pack spheres together without leaving some void spaces between the spheres. Packing efficiency is the fraction of space in a crystal that is actually occupied by atoms. Determine the packing efficiency of a face- centered cubic metal as shown in a figure below. 4r- - 45° 8. What determines which species in a solid solution is the solute and which is the solvent? Explain the 24-karat Gold preparation.

7. It is not possible to pack spheres together without leaving some void spaces between the spheres. Packing efficiency is the fraction of space in a crystal that is actually occupied by atoms. Determine the packing efficiency of a face- centered cubic metal as shown in a figure below. 4r- - 45° 8. What determines which species in a solid solution is the solute and which is the solvent? Explain the 24-karat Gold preparation.

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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Question

7. It is not possible to pack spheres together without leaving some void spaces between the spheres. Packing efficiency
is the fraction of space in a crystal that is actually occupied by atoms. Determine the packing efficiency of a face-
centered cubic metal as shown in a figure below.
4r-
- 45°
8. What determines which species in a solid solution is the solute and which is the solvent? Explain the 24-karat Gold
preparation.
Au
Ag
Substitutional alloy
14karat geld
Interstitial alloy
Sael
9. The unit cell of a binary compound of copper and oxygen is shown here. Given this image and the ionic radii (a)
determine the empirical formula of this compound, Cu* = 0.74 Å and ro = 1.26 A (b) determine the coordination
numbers of copper and oxygen, (c) estimate the length of the edge of the cubic unit cell, and (d) estimate the density of
the compound.

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