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Use the Following Data to Calculate the Lattice Energy of Lithium

Question 104

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Use the following data to calculate the lattice energy of lithium chloride, LiCl.  Quantity  Magnitude (kJ/mol) Ionization energy of Li(g)519 Electron affinity of Cl(g)349 Vaporization energy of Li(s)147 Bond energy of Cl2(g)240 Reaction enthalpy: Li(s)+12Cl2(g)LiCl(s)409\begin{array} { l r } { \text { Quantity } } & \text { Magnitude } ( \mathbf { k J } / \mathbf { m o l } ) \\\text { Ionization energy of } \mathrm{Li}(g) & 519 \\\text { Electron affinity of } \mathrm{Cl}(g) & -349 \\\text { Vaporization energy of } \mathrm{Li}(s) & 147 \\\text { Bond energy of } \mathrm{Cl}_{2}(g) & 240\\\text { Reaction enthalpy: } \mathrm{Li}(s)+\frac{1}{2} \mathrm{Cl}_{2}(g) \rightarrow \mathrm{LiCl}(s)&-409\end{array}

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