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What is packing efficiency?...

What is packing efficiency?

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What is the packing efficiency of bcc lattice? If the diagonal of bcc unit cell be 8sqrt3 find the radius of the atom.

Show that the packing efficiency of simple cubic lattice 47.6%.

Calculate the packing efficiency of the two-dimensional square unit cells as given in the figure.

In two dimensions, which one represents the close-packed structure of spheres with highest packing efficiency, a square close-packing or a hexagonal close-packing? Explain in it terms of coordination number of sphere in each case.

Which of the following lattice has the highest packing efficiency (i) simple cubic (ii) body-centred cubic (iii) hexagonal close-packed lattice.

Assertion: bcc and hcp have same packing efficiency Reason: Both have same number of atoms per unit cell and same arrangement

Calculate packing efficiency of bcc lattice

Calculate the percentage of packing efficiency in simple cubic unit cell.

Which of the following lattices has the highest packing efficency (a) simple cubic, (b) body-centred cubic, and (c ) hexagonal close-packed lattice?

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CHHAYA PUBLICATION-MODEL QUESTION PAPER -Answer the following question (Set-1)
  1. Why is vulcanisation important for natureal rubber?

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  2. An element crystallises in cubic close packed structure having edge le...

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  3. What is packing efficiency?

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  4. Define space lattice.

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  5. State Henry's law

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  6. At 25^(@)C, at infinite dilution, the molar conductivity of HCl, NaCl ...

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  7. How is pure alumina extracted from bauxite by Bayer process?

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  8. Whal is the percentage of copper in blister copper?

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  9. Why do transition metals form coloured complexes?

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  10. Identify A to F CH3Ioverset(Mg)underset("dry ether")toAoverset(CO2)t...

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  11. Identify A to F

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  12. An alcohol [A] with molecules formula (C(4)H(10)O) o oxidation with ac...

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  13. Convert: Phenol to Aspirin

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  14. Why cannot aromatic amine (aniline) be prepared by Gabriel phthalimide...

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  15. Convert: Methyl amine to Methyl isocyanide.

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  16. C2H5Ioverset(NaCN)toDoverset(HO^-)underset("partial hydrolysis")toEove...

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  17. C2H5Ioverset(NaCN)toDoverset(HO^-)underset("partial hydrolysis")toEove...

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  18. C2H5Ioverset(NaCN)toDoverset(HO^-)underset("partial hydrolysis")toEove...

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  19. What is meant by a first order reaction? Give an example of such a rea...

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  20. Establish the integrated rate equation for a first order reaction invo...

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