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

Question 96

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the lattice energy of CaO. ΔH°(kJ mol-1)
Ca(s) → Ca(g) 193
Ca(g) → Ca⁺(g) + e⁻ 590
Ca⁺(g) → Ca2⁺(g) + e⁻ 1010
2O(g) → O2(g) -498
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O2⁻(g) 878
Ca(s) + Use the data given below to construct a Born-Haber cycle to determine the lattice energy of CaO. ΔH°(kJ mol<sup>-1</sup>) Ca(s) → Ca(g) 193 Ca(g) → Ca⁺(g) + e⁻ 590 Ca⁺(g) → Ca<sup>2</sup>⁺(g) + e⁻ 1010 2O(g) → O<sub>2</sub>(g) -498 O(g) + e⁻ → O⁻(g) -141 O⁻(g) + e⁻ → O<sup>2</sup>⁻(g) 878 Ca(s) + O<sub>2</sub>(g) → CaO(s) -635 A) -3414 kJ B) +1397 kJ C) -2667 kJ D) +3028 kJ E) -2144 kJ O2(g) → CaO(s) -635


A) -3414 kJ
B) +1397 kJ
C) -2667 kJ
D) +3028 kJ
E) -2144 kJ

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