Question

Use the Born-Haber Cycle and information given below to determine the lattice energy of LiF.            ...

Use the Born-Haber Cycle and information given below to determine the lattice energy of LiF.

            Li(s) → Li(g) +159.3 kJ      

            Li(g) → Li+(g) + e                   +500.9 kJ      

            F2(g) → 2 F(g) +158.8 kJ

            F(g) + e → F(g)                     –332.6 kJ      

            Li+(g) + F(g) → LiF(s)                 ?                          

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            Li(s) + ½ F2(g) → LiF(s)          – 616.0 kJ

Group of answer choices

+209.0 kJ

–1023 kJ

+1023 kJ

–209.0 kJ

–1102.4 kJ

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Answer #1

--787 0 Lattice formation enthalpy: The lattice formation enthalpy Hilford is the enthalpy Change when I mole of an ionic sol

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