Question: The potential energy function for either one of the two atoms in a diatomic molecule is often approximated by U(x) =-ax 12 -bx 6 where

The potential energy function for either one of the two atoms in a diatomic molecule is often approximated by U(x) =-ax¹²-bx⁶ where x is the distance between the atoms.

(a) At what distance of separation does the potential energy have a local minimum (not at x=)

(b) What is the force on an atom at this separation?

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