The lattice enthalpy of calcium oxide is the energy change for the reaction
A) CaO(s) Ca(g) + O(g)
B) CaO(s) Ca(g) + ½O2(g)
C) Ca(g) + O(g) CaO(g)
D) CaO(s) Ca2+(g) + O2-(g)
E) Ca(s) + ½O2(g) CaO(s)
Correct Answer:
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