inorganic solids

Question 1

what is the lattice enthalpy

Answer 1

the change in enthalpy when one mole of an ionic solid is converted into gaseous ions

Question 2

what are the methods for determining the lattice enthalpies

Answer 2

1. using experimentally derived thermodynamic data in born haber cycles.
2. using calculations

Question 3

what is hess’s law

Answer 3

states that the reaction enthalpy is always the same regardless of whether the reaction takes place in one step or many.