Question

Calculate the packing efficiency in body-centered cubic unit cells using the following equation: Packing efficiency (%) = volume occupied by spheres/volume of unit cell times 100

Answer 1

Print CalculatorPeriodic TableEbook Question 12 of 20 (1 point) Calculate the packing efficiency in body-centered cubic unit cells using the following equation: s Packing efficiency(%)-volume occupied by sphere x 100 volume of unit cell Number 68 % О Hint Check Answer View Solution Progress<11 12 13 14 15 16 17 18 19 20 > Exit Activity

Volumeoccupied by twospheres in the unitcellx 100 Total volume of the uit cell Packing efficiency 2x14/3)Tr3 x 100% 64/(33)r 68% From the above figure edge length or side of the cube a, radius of each particles The diagonal of a cube is always av3 The relation between radius and edge a will av3 4r divide by root 3 we get a 4r/V3 total number of atoms in body centered cubic number of atoms at the corner 8 x 1/8 1 number of atoms at the center 1 total number of atoms The volume of the cubic unit cell side3 (4r/v3)3 The volume of the occupied space (4/3)r3

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