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galben [10]
3 years ago
10

_________ refers to the process whereby at low pressures a solid changes directly into the vapor phase without passing through t

he liquid phase.
Physics
1 answer:
Ira Lisetskai [31]3 years ago
6 0
Sublimation <span>refers to the process whereby at low pressures a solid changes directly into the vapor phase without passing through the liquid phase~

</span>
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In terms of its energy in eV , its energy content is eual to

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Electron is lying in lowest or first level ie n = 1.

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Energy of n th level = - 13.6 / n². Let in this level electron has been excited

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13.6 / n² = 13.6 - 13.57 = .03

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n = 21 ( approx )

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