Photodissociation


 
Figure: Potential Energy Curves for Diatomic Molecule Undergoing PhotoDissociation

In the photodissociation of a homo-nuclear diatomic molecule, the exciting photon's energy is 28,000 cm-1 , and the dissociation energy of the molecule is 25,413 cm-1 . If the atomic mass of the nucleii is 16 grams/mole (i.e. oxygen), and if the velocity of each of the oxygen atoms are equal in magnitude, compute the value of the velocity of the resultant oxygen atoms when the internuclear distance in infinite. Assume that the molecule was initially at rest (we actually compute the velocity relative to the center of mass). Report your answer in cm/sec.

Choose your answer in scientific notation, i.e., ± x.yzE{± ab}, and then press the 'Submit the above answer' button (below).

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Carl W. David
Department of Chemsitry
University of Connecticut
Storrs, Connecticut 06269-4060
(860)486-3217
david@uconnvm.uconn.edu