Answer to Question #84822 in Physical Chemistry for adarsh

Question

Write down Born-Haber cycle for CaCl2 formation

Answer 1

Born-Haber cycle for CaCl₂

ΔH_f = ΔHa(Ca) + 2*ΔHa(Cl) +ΔH_I1 (Ca) + ΔH_I2(Ca) + 2*ΔHea(Cl)+ ΔH_LE

ΔH_f = +178 kJ/mol + 2* (+121 kJ/mol) + 590 kJ/mol + 1145 kJ/mol + 2*(-346 kJ/mol) + (-2258 kJ/mol) = -795 kJ/mol