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Use the Data Given Below to Construct a Born-Haber Cycle

Question 71

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the bond energy of O2. DH°(kJ)
Na(s) → Na(g) 107
Na(g) → Na⁺(g) + e⁻ 496
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O2⁻(g) 878
2 Na(s) + Use the data given below to construct a Born-Haber cycle to determine the bond energy of O<sub>2</sub>. DH°(kJ) Na(s) → Na(g) 107 Na(g) → Na⁺(g) + e⁻ 496 O(g) + e⁻ → O⁻(g) -141 O⁻(g) + e⁻ → O<sup>2</sup>⁻(g) 878 2 Na(s) + O<sub>2</sub>(g) → Na<sub>2</sub>O(s) -416 2 Na⁺(g) + O<sup>2</sup>⁻(g) → Na<sub>2</sub>O(s) -2608 A) 426 kJ B) 249 kJ C) 852 kJ D) 498 kJ E) 356 kJ O2(g) → Na2O(s) -416
2 Na⁺(g) + O2⁻(g) → Na2O(s) -2608


A) 426 kJ
B) 249 kJ
C) 852 kJ
D) 498 kJ
E) 356 kJ

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