Consider an ionic compound, MX2MX2 , composed of generic metal MM and generic, gaseous halogen XX...

Consider an ionic compound, MX2MX2 , composed of generic metal MM and generic, gaseous halogen XX .

The enthalpy of formation of MX2MX2 is ΔH∘f= −817ΔHf∘
The enthalpy of sublimation of MM is ΔHsub= 115ΔHsub
The first and second ionization energies of MM are IE1= 717IE1 and IE2= 1395
The electron affinity of XX is ΔHEA= −323 kJ/mol. (Refer to the hint).
The bond energy of X2X2 is BE= 165 kJ/mol.

Determine the lattice energy of MX2MX2 .

ΔHlattice=______kJ/mol

Expert Solution

queen_honey_blossom answered 1 year ago

Consider an ionic compound, MX2 , composed of generic metal M and generic, gaseous halogen X...

Consider an ionic compound, MX2 , composed of generic metal M and generic, gaseous halogen X . The enthalpy of formation of MX2 is Δ?∘f=−677 kJ/mol. The enthalpy of sublimation of M is Δ?sub=161 kJ/mol. The first and second ionization energies of M are IE1=647 kJ/mol and IE2=1377 kJ/mol. The electron affinity of X is Δ?EA=−339 kJ/mol. (Refer to the hint). The bond energy of X2 is BE=221 kJ/mol. Determine the lattice energy of MX2 . Δ?lattice= kJ/mol

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