LESSON OBJECTIVE: Understand enthalpy changes that occur in ionic salts in solution.
Learning Outcomes:
(taken from the Cambridge International AS and A Level Chemistry curriculum)
23.2 Enthalpies of solution and hydration
1 define and use the term enthalpy change with reference to hydration, ΔHhyd, and solution, ΔHsol
2 construct and use an energy cycle involving enthalpy change of solution, lattice energy and enthalpy change of hydration
3 carry out calculations involving the energy cycles in 23.2.2
4 explain, in qualitative terms, the effect of ionic charge and of ionic radius on the numerical magnitude of an enthalpy change of hydration
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