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Consider the following information.

Consider the following information. 

The enthalpy of formation of CaO is ΔHf°=-634.9 kJ/mol. 

The enthalpy of sublimation of Ca is ΔHsab = 177.8 kJ/mol. 

The first and second ionization energies of Ca are IE1 = 590 kJ/mol and IE2 = 1145 kJ/mol. 

The first electron affinity of O is ΔHAI=-142 kJ/mol. 

The bond energy of O2 is BE = 498 kJ/mol. 

The lattice energy of CaO is ΔHatice = -3414 kJ/mol. Determine the second electron affinity of O.


on 3 of 40 Consider the following information. The enthalpy of formation of CaO is AH;=-634.9 kJ/mol. The enthalpy of sublima


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Second electron affinity of O (ΔHEA2) = + 759.3 KJ/mol

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