Consider the following information. • The lattice energy of CsCl is AHjattice = -657 kJ/mol. • The enthalpy of sublimation of Cs is AHsub = 76.5 kJ/mol. • The first ionization energy of Cs is IE¡ = 376 kJ/mol. • The electron affinity of Cl is AHEA = -349 kJ/mol. %3D • The bond energy of Cl, is BE = 243 kJ/mol. %3D Determine the enthalpy of formation, AHf, for CsCl(s).

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Chapter9: Ionic And Covalent Bonding
Section: Chapter Questions
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Consider the following information.
• The lattice energy of CsCl is AHjattice
= -657 kJ/mol.
• The enthalpy of sublimation of Cs is AH sub
= 76.5 kJ/mol.
• The first ionization energy of Cs is IE1
= 376 kJ/mol.
• The electron affinity of Cl is AHEA
= -349 kJ/mol.
• The bond energy of Cl, is BE = 243 kJ/mol.
Determine the enthalpy of formation, AHf, for CsCl(s).
ΔΗ
-310.5
kJ/mol
%3D
Transcribed Image Text:Consider the following information. • The lattice energy of CsCl is AHjattice = -657 kJ/mol. • The enthalpy of sublimation of Cs is AH sub = 76.5 kJ/mol. • The first ionization energy of Cs is IE1 = 376 kJ/mol. • The electron affinity of Cl is AHEA = -349 kJ/mol. • The bond energy of Cl, is BE = 243 kJ/mol. Determine the enthalpy of formation, AHf, for CsCl(s). ΔΗ -310.5 kJ/mol %3D
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