Answer to Question #109333 in Physical Chemistry for GHOST

Question #109333
Briefly explain the laws of photochemistry.
1
Expert's answer
2020-04-19T07:10:15-0400

The first law of photochemistry states that light must be absorbed for photochemistry to occur. This law also is known as the Grotthus-Draper law, states that light must be absorbed by a compound in order for a photochemical effect to take place.

The second law of photochemistry states that for each photon of light absorbed by a chemical system, only one molecule is activated for a photochemical reaction. This law also is known as, the Stark-Einstein law.


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