1. Put the following in order of increasing lattice energy: Ca (PO4)2, KNO, Lic,
ID: 1036067 • Letter: 1
Question
1. Put the following in order of increasing lattice energy: Ca (PO4)2, KNO, Lic, SrCl2, Nal, BaS, Na O 2. Label each step in the Born Haber cycle below (for example, "Heat of Sublimation of Ga"), determine the overall reaction for the formation of Gals) from its elements, and calculate the net energy change for the reaction. You will need some of the following information (all values in kJ/mol): Ga Heat of Sublimation: 277 Ga first ionization energy: 578 Ga second ionization energy: 1979 Ga third ionization energy: 2963 Ga fourth ionization energy: 6180 12 heat of sublimation: 60.2 Ga heat of vaporization: 256 Ga electron affinity: -28.9 I electron affinity: 295 I heat of vaporization: 41.6 Gal lattice energy: 5476 I2 bond dissociation energy: 151 Ga3 (g) Ga(3/22e- Ga g) + (3/2)12is) Gag) (3/2)12s) Ga(3/2)12s) Net Energy Gal3s)Explanation / Answer
Lattice energy depends on two factors : product of charges and the radius of the ions.
Lattice energy directly depends on the charges and inversely related to the radius .
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