positions in a ccp/fcc lattice of copper. a. Prove mathematically that identical atoms in a ccp/fcc structure occupy 74.0% of the space when considered as hard spheres of radius r. 4 Volume of a sphere = V =Tr³ 3 a b. Use the metallic radius of copper (128 pm) and its atomic weight (63.456 amu) to calculate the density of pure copper metal in g/cm³. Given that the atomic weight of tin is 118.71 amu, and assuming that its metallic radius is identical to that of copper in the alloy, calculate the density of speculum metal. С.

positions in a ccp/fcc lattice of copper. a. Prove mathematically that identical atoms in a ccp/fcc structure occupy 74.0% of the space when considered as hard spheres of radius r. 4 Volume of a sphere = V =Tr³ 3 a b. Use the metallic radius of copper (128 pm) and its atomic weight (63.456 amu) to calculate the density of pure copper metal in g/cm³. Given that the atomic weight of tin is 118.71 amu, and assuming that its metallic radius is identical to that of copper in the alloy, calculate the density of speculum metal. С.

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter11: Liquids And Solids

Section: Chapter Questions

Problem 11.87QE

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