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3 November, 20:37

Calculate the number of vacancies per cubic meter for some metal, M, at 773°C. The energy for vacancy formation is 0.97 eV/atom, while the density and atomic weight for this metal are 7.81 g/cm3 (at 773°C) and 67.81 g/mol, respectively.

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  1. 3 November, 23:22
    0
    0.112eV/atom

    Explanation:

    since

    p=m/v

    then

    pv=pv

    7.81*0.97=67.81*V

    V=7.58/67.81

    V = 0.112eV/atom
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