A/ determine the atomic weight of copper which has atomic radius of 0.128 nm and theoretical density of 8.89g/cm3 B/ calculate the equilibrium number of vacancies per cubic for iron at 1000c. the energy for vacancy formation is 1.9 J/atom, the atomic weight and density for iron are 60.5 g/mol and 7.4 g/cm3 .respectively

A/ determine the atomic weight of copper which has atomic radius of 0.128 nm and theoretical density of 8.89g/cm3 B/ calculate the equilibrium number of vacancies per cubic for iron at 1000c. the energy for vacancy formation is 1.9 J/atom, the atomic weight and density for iron are 60.5 g/mol and 7.4 g/cm3 .respectively

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter8: Molecules And Materials

Section: Chapter Questions

Problem 8.10PAE

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Concept explainers

Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.

Question

A/ determine the atomic weight of copper which has
atomic radius of 0.128 nm and theoretical density of
8.89g/cm3
B/ calculate the equilibrium number of vacancies
per cubic for iron at 1000c. the energy for vacancy
formation is 1.9 J/atom, the atomic weight and
density for iron are 60.5 g/mol and 7.4 g/cm3
.respectively

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