1. a) Show representative interstitial sites (both octahedral and tetrahedral) present in FCC,BCC and HCP unit cells. (3)b) Imagine that an M-X prototype alloy has FCC lattice structure where M is the metal andX is the interstitial solute. Assume that the X solute atoms are only located in the centraloctahedral interstitial site of the unit cells. However, only 1/200th such interstitial sites areactually occupied with X. Calculate the alloy composition in both wt.% and atom%? Takethe atomic weight of M is 55.95 g/mol and that of X is 12 g/mol. State any otherassumptions you make while making the calculation. (3) 2. Given that the atomic radius of Cu is 0.128 nm and atomic weight is 63.5 g/mol, calculatethe density of Cu (FCC crystal structure). (3)
1. a) Show representative interstitial sites (both octahedral and tetrahedral) present in FCC,BCC and HCP unit cells. (3)b) Imagine that an M-X prototype alloy has FCC lattice structure where M is the metal andX is the interstitial solute. Assume that the X solute atoms are only located in the centraloctahedral interstitial site of the unit cells. However, only 1/200th such interstitial sites areactually occupied with X. Calculate the alloy composition in both wt.% and atom%? Takethe atomic weight of M is 55.95 g/mol and that of X is 12 g/mol. State any otherassumptions you make while making the calculation. (3) 2. Given that the atomic radius of Cu is 0.128 nm and atomic weight is 63.5 g/mol, calculatethe density of Cu (FCC crystal structure). (3)
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
Related questions
Question
1. a) Show representative interstitial sites (both octahedral and tetrahedral) present in FCC,
BCC and HCP unit cells. (3)
b) Imagine that an M-X prototype alloy has FCC lattice structure where M is the metal and
X is the interstitial solute. Assume that the X solute atoms are only located in the central
octahedral interstitial site of the unit cells. However, only 1/200th such interstitial sites are
actually occupied with X. Calculate the alloy composition in both wt.% and atom%? Take
the atomic weight of M is 55.95 g/mol and that of X is 12 g/mol. State any other
assumptions you make while making the calculation. (3)
BCC and HCP unit cells. (3)
b) Imagine that an M-X prototype alloy has FCC lattice structure where M is the metal and
X is the interstitial solute. Assume that the X solute atoms are only located in the central
octahedral interstitial site of the unit cells. However, only 1/200th such interstitial sites are
actually occupied with X. Calculate the alloy composition in both wt.% and atom%? Take
the atomic weight of M is 55.95 g/mol and that of X is 12 g/mol. State any other
assumptions you make while making the calculation. (3)
2. Given that the atomic radius of Cu is 0.128 nm and atomic weight is 63.5 g/mol, calculate
the density of Cu (FCC crystal structure). (3)
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