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Given the following information: Energy of sublimation of K(s) = 77 kJ/mol Bond energy of HCl...

Given the following information:

Energy of sublimation of K(s) = 77 kJ/mol

Bond energy of HCl = 427 kJ/mol

Ionization energy of K(g) = 419 kJ/mol

Electron affinity of Cl(g) = –349 kJ/mol

Lattice energy of KCl(s) = –705 kJ/mol

Bond energy of H2 = 432 kJ/mol

Calculate the net change in energy for the following reaction:

2K(s) + 2HCl(g) → 2KCl(s) + H2(g)

ΔE = ______ kJ

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