Show transcribed image text 2. Use the following expression as a general formula describing the energy due to the forces between two atoms. U(r) = A/r" _ B/rn (a) Obtain the expression for ro, the equilibrium distance between the atoms (b) Obtain the expression for energy minimum in terms of o, B, and the exponents. (c) From your answer in (b), obtain the expression for the condition that we have a "bound state" or a stable bond between the atoms.