Question 1
The dissociation energy of the hydrogen molecule is approximately 5 eV. What is the temperature of a monatomic molecule whose kinetic energy is equal to 5.000 eV?
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28990 K
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57970 K
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38650 K
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23190 K
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12880 K
Question 2
The energy gap for a semiconductor is 1.25 eV. Of the frequencies given below, what is the minimum frequency photon than can move an electron from the valence band to the conduction band?
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