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Draw a Born Haber cycle for gallium(I) oxide and calculate the crystal lattice energy for Gallium(I)...

Draw a Born Haber cycle for gallium(I) oxide and calculate the crystal lattice energy for Gallium(I) oxide, given:

ΔH°sub (Ga)     =        277 kJ/mol              E.A.1 (O)           =      –133 kJ/mol

I.E.1(Ga)         =        578.84 kJ/mol         E.A.2 (O)           =        247 kJ/mol

I.E.2(Ga)         =       1979.4 kJ/mol           B.D.E.(O2)         =        495 kJ/mol

I.E.3(Ga)         =       2964.5 kJ/mol           ΔHf° (Ga2O)       =     – 349.8 kJ/mol

ANS: -2779 kJ/mol

(It was in the Answer Key)

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