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Under equipartition, one vibrational mode of a molecule contributes what average energy?
A(1/2) kB T
B(3/2) kB T
C2 kB T
DkB T
Answer & Solution
Correct answer: D. kB T
A vibration has both a kinetic and a potential squared term, each worth (1/2) kB T, totalling kB T.
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