Question: The Morse function U = De[1 - e-a(R-Re)]2 is often used to approximate the U(R) curve of a diatomic molecule, where the molecule's equilibrium dissociation

The Morse function U® = De[1 - e-a(R-Re)]2 is often used to approximate the U(R) curve of a diatomic molecule, where the molecule's equilibrium dissociation energy De is De K U(∞) - U(Re).
(a) Verify that this equation for De is satisfied by the Morse function.
(b) Show that a = (ke/2De)1/2.

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