Spectroscopy
In the equation, A = ε bc, what quantity is represented by "ε"?

Absorbtivity
Molar absorbtivity
Path length
None of these

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Spectroscopy
Vibrational spectroscopy is

an Infrared spectroscopy
a class of spectroscopic techniques which analyzes molecular motions
a large mass on a weak spring
a flashlight through a prism and shake it

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Spectroscopy
Why are rotational transitions of little use to a spectroscopist?

Because, in liquids and solids, spectral lines corresponding to rotational transitions are broadened as the result of molecular collisions and other interactions
Because rotational transitions are extremely rare
Because the energy required to induce a rotational transition is so small that it cannot be measured
All of these

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