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The standard heat of formation of PI_{3} (s) is -24.7 kJ/mol and the PI bond energy in this molecule is 184 kJ/mol. The standard heat of formation of P(g) is 334 kJ/mol and that of I_{2} (g) is 62 kJ/mol. The I_{2} bond energy is 151 kJ/mol.

Calculate the heat of sublimation of PI_{3} [PI_{3}(s) → P_{3}(g)].

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