3 years ago

What does viscosity describe?

Chemistry

1 answer:

aev [14]3 years ago

5 0

The density of fluid

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Calculate the fraction of lattice sites that are schottky defects for cesium chloride at its melting temperature (645oc). assume

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Answer : 7.87 X $10^{-6}$ .

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we use the formula, $\frac{N_{s} }{N}} = exp ( \frac{-Q_{s}}{2KT} )$

on solving with the given values , $Q_{s}= 1.86 eV$ and T as 645 + 273 K and rest are the constants.

$\frac{N_{s} }{N}} = exp ( \frac{-1.86 eV}{2 X (8.62 X 10^{-5}) X (645 +273)} )$

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