Consider an ionic compound, MX3, composed of generic metal M and generic gaseous halogen X. • The enthalpy of formation of MX, is AH; = -747 kJ/mol. • The enthalpy of sublimation of M is AH sub = 149 kJ/mol. • The first, second, and third ionization energies of M are IE = 589 kJ/mol, IE2 = 1653 kJ/mol, and IE3 = 2509 kJ/mol. • The electron affinity of X is AHEA = -335 kJ/mol. (Refer to the hint). • The bond energy of X, is BE = 191 kJ/mol. Determine the lattice energy of MX3. kJ/mol AHjattice =

Consider an ionic compound, MX3, composed of generic metal M and generic gaseous halogen X. • The enthalpy of formation of MX, is AH; = -747 kJ/mol. • The enthalpy of sublimation of M is AH sub = 149 kJ/mol. • The first, second, and third ionization energies of M are IE = 589 kJ/mol, IE2 = 1653 kJ/mol, and IE3 = 2509 kJ/mol. • The electron affinity of X is AHEA = -335 kJ/mol. (Refer to the hint). • The bond energy of X, is BE = 191 kJ/mol. Determine the lattice energy of MX3. kJ/mol AHjattice =

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter5: Electron Configurations And The Periodic Table

Section: Chapter Questions

Problem 117QRT

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Consider an ionic compound, MXMX, composed of generic metal MM and generic, gaseous halogen XX. The enthalpy of formation of MXMX is Δ?∘f=−411ΔHf∘=−411 kJ/mol. The enthalpy of sublimation of MM is Δ?sub=101ΔHsub=101 kJ/mol. The ionization energy of MM is IE=461IE=461 kJ/mol. The electron affinity of XX is Δ?EA=−325ΔHEA=−325 kJ/mol. (Refer to the hint). The bond energy of X2X2 is BE=189BE=189 kJ/mol. Determine the lattice energy of MXMX.
Consider an ionic compound, MXMX, composed of generic metal MM and generic, gaseous halogen XX. The enthalpy of formation of MXMX is Δ?∘f=−553Δ⁢Hf∘=−553 kJ/mol. The enthalpy of sublimation of MM is Δ?sub=129Δ⁢Hsub=129 kJ/mol. The ionization energy of MM is IE=491IE=491 kJ/mol. The electron affinity of XX is Δ?EA=−325Δ⁢HEA=−325 kJ/mol. (Refer to the hint). The bond energy of X2X2 is BE=219BE=219 kJ/mol. Determine the lattice energy of MXMX. Δ?lattice=Δ⁢Hlattice= kJ/mol
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Consider an ionic compound, MX2MX2, composed of generic metal MM and generic, gaseous halogen XX. The enthalpy of formation of MX2MX2 is Δ?∘f=−923ΔHf∘=−923 kJ/mol. The enthalpy of sublimation of MM is Δ?sub=131ΔHsub=131 kJ/mol. The first and second ionization energies of MM are IE1=755IE1=755 kJ/mol and IE2=1364IE2=1364 kJ/mol. The electron affinity of XX is Δ?EA=−329ΔHEA=−329 kJ/mol. (Refer to the hint). The bond energy of X2X2 is BE=153BE=153 kJ/mol. Determine the lattice energy of MX2MX2. Δ?lattice=ΔHlattice= kJ/mol

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