Using the following data, estimate AHf° (in kJ/mol) for potassium chloride: K(s) + ½ Cl2(g) → KCI(s). Lattice energy of KCI -690 kJ/mol lonization energy 419 kJ/mol of K Electron affinity of Cl -349 kJ/mol Bond dissociation 239 kJ/mol energy of Cl2 Enthalpy of sublimation for K 90 kJ/mol

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Chapter1: Introduction
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Using the following data, estimate AHf° (in kJ/mol) for potassium
chloride: K(s) + ½ Cl2(g) → KCI(s).
->
Lattice energy
-690 kJ/mol
of KCI
kJ/mol
lonization energy
419 kJ/mol
of K
Electron affinity
-349 kJ/mol
of CI
1
3
Bond dissociation
239 kJ/mol
energy of Cl2
6.
C
Enthalpy of
sublimation for K
90 kJ/mol
7
8.
9.
+/-
х 100
Transcribed Image Text:Using the following data, estimate AHf° (in kJ/mol) for potassium chloride: K(s) + ½ Cl2(g) → KCI(s). -> Lattice energy -690 kJ/mol of KCI kJ/mol lonization energy 419 kJ/mol of K Electron affinity -349 kJ/mol of CI 1 3 Bond dissociation 239 kJ/mol energy of Cl2 6. C Enthalpy of sublimation for K 90 kJ/mol 7 8. 9. +/- х 100
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