Calculate the fraction of vacancies (Nv/N) given the following: Temperature 701 in kelvin, ΔHv=100kJ/mol, R=8.314J/mol. K. Use equation 4.3 from the textbook. Type answer in exponential form (e. g. 1.00e-11) round to two decimal points

The answer is 3.89x10^-8

Explanation:

The term vacant is used in crystallography to indicate a defect in a crystal. The crystals naturally have imperfections. A defect in which an atom is missing is called a vacancy defect, or Schottky's defect.

The temperature depends of the vacancy density, we have:

NV/N = A*e^-(ΔHv/R*T) = 1.1*e^(-100000/(8.314*701)) = 3.89x10^-8

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