4) The following function is often used to describe the intermolecular interactions due to dispersion forces o U(r) = 4€

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4 The Following Function Is Often Used To Describe The Intermolecular Interactions Due To Dispersion Forces O U R 4 1 (52.84 KiB) Viewed 72 times

4) The following function is often used to describe the intermolecular interactions due to dispersion forces o U(r) = 4€ (6)* -0)] = where ε and o are constants and r is the distance between two interacting molecules. a) Find the force given by U(r) as a function of r. b) What is U(r) when r goes to infinity (or when it becomes very large)? Explain why your answer makes physical sense. c) Find r at which U(r) is smallest.