Given the tabulated data, what is the lattice energy of crystalline calcium chloride?
heat of sublimation for calcium +178 kJ/mol
first ionization energy for calcium +590 kJ/mol
second ionization energy for calcium +1145 kJ/mol
heat of dissociation for chlorine +122 kJ/mol(Cl)
electron affinity for chlorine -349 kJ/mol
heat of formation for calcium chloride -796 kJ/mol