# Problem: ​Use the following data for magnesium fluoride to estimate ΔE for the reaction:            Mg(s) + F 2 (g) → MgF2 (s)                    ΔE = ?Lattice energy                                            -2913 kJ/molFirst ionization energy of Mg                      735 kJ/molSecond ionization energy of Mg               1445 kJ/molElectron affinity of F                                   -328 kJ/molBond energy of F2                                       154 kJ/molEnergy of sublimation for Mg                     150. kJ/mol​

###### FREE Expert Solution

Acc. to the Born-Haber cycle, ΔE of MgF2 can be estimated as:

ΔE= ΔHsub + IE1+2 + ΔHdiss + 2EA + ΔU

ΔE = 150 + 735 + 1445 + 154 - (2)328 - 2913

97% (95 ratings) ###### Problem Details

Use the following data for magnesium fluoride to estimate ΔE for the reaction:

Mg(s) + F 2 (g) → MgF2 (s)                    ΔE = ?
Lattice energy                                            -2913 kJ/mol
First ionization energy of Mg                      735 kJ/mol
Second ionization energy of Mg               1445 kJ/mol
Electron affinity of F                                   -328 kJ/mol
Bond energy of F2                                       154 kJ/mol
Energy of sublimation for Mg                     150. kJ/mol