Natoms VatomcellNatoms X 4/3 Tr3cellAPF =Vunit cellVunit cell= volume of the atom; Vunit ceu= volume of the unit cell*Natoms = no.of atoms in a unit cell; Vatomcell II. Determination of the APF of the Unit CellsHCPFCCвссVolume ofAtoms in unitcellVolume of unitcellCalculated APFKnown APF0.7400.7400.680% Error

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Answered: II. Determination of the APF of the…

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter21: The Solid State: Crystals

Section: Chapter Questions

Problem 21.30E

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Similar questions

Tungstenmetal crystallizes with a body-centered cubic unit cell. The volume of the cellis 0.0317 nm3 and atomic weight of 183.3g/mol. Compute for theradius of tungsten in cm. Determine the volume and density of a single tungstenatom.
how do you calculate the planar density (100) and (110) of a simple cubic structure
State the Miller indices of the planes that intersect the crystallographic axes at the distances (−a, 2b, −c) and (a, 4b, −4c).
Linear density is a measure of how much a crystallographic vector is occupied by atoms, and is calculated as as the length of the atoms on the vector over the length of the vector. Calculate the following linear densites for the [100] and [110] vectors for:a. an FCC crystalb. a BCC crystal
The maximum proportion of the avalable volume that can be field with hard sphere identifes a ) Packing Fraction b) the unit cell c) the lattice point d) the number of nearest neightos
a) what ‘s the solution?b) what is the Burger Vector?c) Define edge dislocation.d) Explain X-Ray Diffraction how to determine crystalline structuree) Explain types of imperfectionsf) Explain interstitial diffusiong) Explain How to measure Hardness.
State the Miller indices of the planes that intersect the crystallographic axes at the distances (2a, 3b, 2c) and (2a, 2b, ∞c).
Which point defect in crystals of a solid does not change the density of the solid?
9) A Cu monocrystal (FCC) of 10 cm length is pulled in tension. The stress axis is [¯123].a) Which is the stress system with the highest resolved shear stress?(b) If the extension of the crystal continues until a second slip systembecomes operational, what will this system be?(c) What rotation will be required to activate the second system?(d) How much longitudinal strain is required to activate the second system?
Derive the relation for c/a ration. Also find out atomic packing factor of HCP
Define defects ( point, line, planar or volume defects) and impurities in crystal structures. Are they favourable?
an X-ray diffraction pattern for a powder sample of Cr (crystal system: body-centered cubic and lattice parameter a = 0.2884 nm) is measured using a conventional diffractometer. For the (220) plane, compute the Lorentz-polarization factor (LP) using CuKα radiation λ = 0.1542 nm.

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II. Determination of the APF of the Unit Cells HCP FCC всс Volume of Atoms in unit cell Volume of unit cell Calculated APF Known APF 0.740 0.740 0.680 % Error