Use the Born-Haber cycle to calculate the lattice energy of KC1. Be sure your answer has the correct number of significant digits. kJ mol Heat of sublimation of K (s) 1 Energy to dissociate Cl₂ to Cl Process Electron affinity of Cl Ionization energy of K Standard enthalpy of formation of KCI n kJ mol 0 x10 X Energy required 90. 121.4 -348.6 418.8 -436.5

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Chapter8: Bonding: General Concepts
Section: Chapter Questions
Problem 62E: Use the following data (in kJ/mol) to estimate E for the reaction S(g)+e S2(g). Include an estimate...
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Use the Born-Haber cycle to calculate the lattice energy of KC1. Be sure your answer has the correct number of significant digits.
Heat of sublimation of K (s)
Process
Energy to dissociate
1
Electron affinity of Cl
Ionization energy of K
Standard enthalpy of formation of KC1
kJ
mol
Cl₂ to Cl
x10
X
Energy required
5
90.
121.4
- 348.6
418.8
-436.5
kJ
mol
Transcribed Image Text:Use the Born-Haber cycle to calculate the lattice energy of KC1. Be sure your answer has the correct number of significant digits. Heat of sublimation of K (s) Process Energy to dissociate 1 Electron affinity of Cl Ionization energy of K Standard enthalpy of formation of KC1 kJ mol Cl₂ to Cl x10 X Energy required 5 90. 121.4 - 348.6 418.8 -436.5 kJ mol
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