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 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
Why must the voltage supplied to a tungsten lamp be very stable?

Because the lamp will only function at a specific voltage
Because if it wasn't, the lamp would bum out
All of these
Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage

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