Given that the salt, Potassium Bromide (KBr), forms the pictured rock salt structure and in that structure the K* and Br ions touch along the <100> family of directions, calculate the atomic packing factor (APF) and theoretical density (p) in [g/cm'). Then answer the concept question. lonic radius: K* = 0.138 nm; Br = 0.196 nm Atomic Weight: K = 39.1 g/mol; Br = 79.9 g/mol APF | cm² Identify the type of ceramic defect that occurs where a pair of K* and Br ions goes missing from the lattice. Circle the correct option: a) Frenkel defect b) Schottky defect Note: Spaces between atoms
Given that the salt, Potassium Bromide (KBr), forms the pictured rock salt structure and in that structure the K* and Br ions touch along the <100> family of directions, calculate the atomic packing factor (APF) and theoretical density (p) in [g/cm'). Then answer the concept question. lonic radius: K* = 0.138 nm; Br = 0.196 nm Atomic Weight: K = 39.1 g/mol; Br = 79.9 g/mol APF | cm² Identify the type of ceramic defect that occurs where a pair of K* and Br ions goes missing from the lattice. Circle the correct option: a) Frenkel defect b) Schottky defect Note: Spaces between atoms
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Given that the salt, Potassium Bromide (KBr), forms the pictured rock salt structure and in that
structure the K* and Br ions touch along the <100> family of directions, calculate the atomic packing factor
(APF) and theoretical density (p) in [g/cm'). Then answer the concept question.
lonic radius: K* = 0.138 nm; Br = 0.196 nm
Atomic Weight: K = 39.1 g/mol; Br = 79.9 g/mol
APF
| cm²
Identify the type of ceramic defect that occurs where a pair of
K* and Br ions goes missing from the lattice.
Circle the correct option:
a) Frenkel defect
b) Schottky defect
Note: Spaces between atoms
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