Question
The measured binding energy of $\mathrm{KCl}$ is $4.43 \mathrm{eV}$. From the result of Problem 1 , estimate the contribution to the binding energy of the repelling electron clouds at the equilibrium distance $r_{0}=0.28 \mathrm{nm}$.
Step 1
This is given by the formula: \[U_a = -\frac{1}{4\pi\epsilon}\frac{e^2}{r}\] where $e$ is the charge of an electron, $\epsilon$ is the permittivity of free space, and $r$ is the distance between the two charges. Show more…
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(II) The measured binding energy of KCl is 4.43 eV. From the result of Problem 1, estimate the contribution to the binding energy of the repelling electron clouds at the equilibrium distance $r_0 =$ 0.28 nm.
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(II) The measured binding energy of $\mathrm{KCl}$ is 4.43 eV. From the result of Problem $1,$ estimate the contribution to the binding energy of the repelling electron clouds at the equilibrium distance $r_{0}=0.28 \mathrm{nm} .$
The measured energy dissociated energy of KCl is 4.43 eV. Use the results of the preceding problem to the determine the energy of repulsion of the ions due to the exclusion principle.
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