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Calculate the lattice energy from the fo...

Calculate the lattice energy from the following data (given `1 eV = 23.0 kcal mol^(-1)`)
i. `Delta_(f) H^(ɵ) (KI) = -78.0 kcal mol^(-1)`
ii. `IE_(1)` of `K = 4.0 eV`
iii. `Delta_("diss")H^(ɵ)(I_(2)) = 28.0 kcal mol^(-1)`
iv. `Delta_("sub")H^(ɵ)(K) = 20.0 kcal mol^(-1)` ltbvrgt v. `EA` of `I = -70.0 kcal mol^(-1)`
vi. `Delta_("sub")H^(ɵ)` of `I_(2) = 14.0 kcal mol^(-1)`

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