Use the following data to estimate (Delta H_{mathrm{f}}^{circ}) for potassium chloride. [mathrm{K}(s)+frac{1}{2} mathrm{Cl}_{2}(g) longrightarrow mathrm{KCl}(s)] Lattice energy

Use the following data to estimate \(\Delta H_{\mathrm{f}}^{\circ}\) for potassium chloride.

\[\mathrm{K}(s)+\frac{1}{2} \mathrm{Cl}_{2}(g) \longrightarrow \mathrm{KCl}(s)\]

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Lattice energy Ionization energy for K Electron affinity of Cl Bond energy of Cl Enthalpy of sublimation for K -690. kJ/mol 419 kJ/mol -349 kJ/mol 239 kJ/mol 64 kJ/mol