How can a spectroscopic measurement be used for rates of reactions?

1 Answer
Dr. Hayek
Oct 22, 2015

Yes, Using a Spectrophotometer for example.

Explanation:

The best example of using spectroscopic data to track the reaction rate is using a spectrophotometer, where we can use Beer-Lambert law #A=epsilonxxlxxC# to calculate the concentration of a reactant consumed or a product formed at different time intervals, and therefore, determining the reaction rate.

#Rate=k[Reactant]^n#

Here is a full lab experiment on how to determine the rate of the reaction using a spectrophotometer:

AP Chemistry Investigation #11: Rate Law of the Fading of Crystal Violet.

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