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

Question 143

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the electron affinity of Br. DH°(kJ)
K(s) → K(g) 89
K(g) → K⁺(g) + e⁻ 419
Br2(l) → 2 Br(g) 193
K(s) + Use the data given below to construct a Born-Haber cycle to determine the electron affinity of Br. DH°(kJ) K(s) → K(g) 89 K(g) → K⁺(g) + e⁻ 419 Br<sub>2</sub>(l) → 2 Br(g) 193 K(s) + Br<sub>2</sub>(g) → KBr(s) -394 KBr(s) → K⁺(g) + Br⁻(g) 674 A) -885 kJ B) -325 kJ C) +367 kJ D) -464 kJ E) +246 kJ Br2(g) → KBr(s) -394
KBr(s) → K⁺(g) + Br⁻(g) 674


A) -885 kJ
B) -325 kJ
C) +367 kJ
D) -464 kJ
E) +246 kJ

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