What you’ll learn4 learning objectivesChoose one objective for a focused lesson, or study the complete topic.23.2.1Hydration and solution enthalpies• Define/use: enthalpy change using hydration, ΔHhyd, and solution, ΔHsolSyllabus objective23.2.2An energy cycle involving enthalpy change• Construct/use: an energy cycle involving enthalpy change of solution, lattice energy and enthalpy change of hydrationSyllabus objective23.2.3Calculations: the energy cycles in 23.2.2• Calculate: the energy cycles in 23.2.2Syllabus objective23.2.4Explain, in qualitative terms, the effect• Explain, in qualitative terms, the effect of ionic charge and of ionic radius on the numerical magnitude of an enthalpy change of hydrationSyllabus objective