Compare the bond energy of H2, CO, O2, NO, and N2 to kT at 20 K, 300 K, and 10000 K. Discuss the stability of the molecules at these temperatures.

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Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.