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The standard heat of formation of PI3(s) is -24.7 kJ/mol and the PI bond energy in...

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Chemistry

The standard heat of formation of PI3(s) is -24.7 kJ/mol and thePI bond energy in this molecule is 184 kJ/mol. The standard heat offormation of P(g) is 334 kJ/mol and that of I2(g) is 62 kJ/mol. TheI2 bond energy is 151 kJ/mol.

Calculate the heat of sublimation of PI3

Answer & Explanation Solved by verified expert
4.0 Ratings (790 Votes)
Sol GivenH0f of PI3 s 247KJmolBDE of PI bond 184 KJmolH0f of Pg 334 KJmolH0f of I2 g 62 KJmolandBDE of II bond 151 KJmolStep1 Calculation ofH0rxn 2 P g 3 I2 g 2 PI3 g H0rxn H0rxn BDE    See Answer
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