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  3. 50 pts the potential energy uof two atoms a distance...

Question: 50 pts the potential energy uof two atoms a distance...

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(50 pts.) The potential energy Uof two atoms, a distance r apart, is A B U=--+-m=2and n = 10 1 a) Given that the atoms form a stable molecule at a separation of r 0.4 nm with a negative energy of Uo5e V, Derive the general expression and then calculate A and B. Sketch the resulting force and energy curves. b) Derive the general expressions and then calculate the critical separation at which the molecule breaks (Imax). and the force required to break the molecule (Fmax c) Derive the general expressions and then calculate the stiffness and Elastic Modulus halfway before the bond could break. Assume that area of the bond is r2

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