Why are the theoretical and Born Haber lattice enthalpies different?
The theoretical Born Haber enthalpy assumes a perfect ionic model where the attraction between the ions is purely electrostatic and the ions are purely spherical. The Born Haber lattice enthalpy is the real experimental value.
AV
Related Chemistry A Level answers
All answers ▸How can you tell if a reaction is endothermic or exothermic? Describe a way of determining if a reaction is exothermic or endothermic using simple laboratory equipment.
why increasing the temperature will increase the rate of reaction
What is a chiral carbon and optical isomerism?
Explain, with reference to the electronic transitions involved, how characteristic flame colours of metal ions are formed and why the flame colours are different.