Create the Born-Haber Cycle and Calculate the Lattice Energy of Sodium

question 95

Multiple Choice

Create the Born-Haber cycle and calculate the lattice energy of sodium fluoride from the following data: Ionization energy of Na: 496 kJ/mol
Electron affinity of F: -328 kJ/mol
Energy to vaporize Na: 108 kJ/mol
F₂ bond energy: 160 kJ/mol
Energy change for the reaction:
Na(s) + F₂(g) $\to$ NaF(s) ; $\Delta$ H = -575 kJ

• A)931 kJ/mol
• B)-931 kJ/mol
• C)-1011 kJ/mol
• D)1011 kJ/mol
• E)-851 kJ/mol

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