K 2.

1H4. The two atoms in a diatomic molecule exert an attractive force on each other at large distances and a repulsive force at short distances. The magnitude of the force between two atoms in a diatomic molecule can be approximated by the LennardJones force, or F {r} = E; [2(crfr} {afrf} where it is the separation between the two atoms, and o' and E; are constants. For an oxygen molecule l[which is diatomicl| F" = 9.50 x 111'\" N and or = 3.51] x 1013'\" m to) Integrate the equation for Fit} to determine the potential energy Uh} of the oxygen molecule. {iii} Find the equilibrium distance 1"\". between the two atoms. [0} Graph Fir} and Uh} between (1.9 m and 2.5 To