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

None of these
Molar absorbtivity
Absorbtivity
Path length

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Spectroscopy
Vibrational spectroscopy is

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

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Spectroscopy
Beer's Law states that

absorbance is proportional to the log of the concentration of the absorbing species
absorbance is proportional to both the path length and concentration of the absorbing species
None of these
absorbance is equal to P0 / P

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