CourseCourseQuestionQuestionDocumentDocument
Cambridge International AS & A Level Chemistry (9701)
23. Chemical energetics
23.1 Lattice energy and Born-Haber cycles
23.2 Enthalpies of solution and hydration
23.2.1—Hydration and solution enthalpies
23.2.2—An energy cycle involving enthalpy change
23.2.3—Calculations: the energy cycles in 23.2.2
23.2.4—Explain, in qualitative terms, the effect
23.3 Entropy change, ΔS
23.4 Gibbs free energy change, ΔG
24. Electrochemistry
25. Equilibria
26. Reaction kinetics
27. Group 2
28. Chemistry of transition elements
29. An introduction to A Level organic chemistry
30. Hydrocarbons
31. Halogen compounds
32. Hydroxy compounds
33. Carboxylic acids and derivatives
34. Nitrogen compounds
35. Polymerisation
36. Organic synthesis
37. Analytical techniques
Practical assessment skills
Mathematical, structural convention and data skills
A-Level/CAIE/Chemistry//A2/Concept/23. Chemical energetics/23.2 Enthalpies of solution and hydration/23.2.3—Calculations: the energy cycles in 23.2.2

23. Chemical energetics

Syllabus
9701–2028–2029
Section
23
Level
A2

Exam analysis

Most tested topics

  1. Lattice energy and Born-Haber cycles
  2. Enthalpies of solution and hydration
  3. Entropy change, ΔS
  4. Gibbs free energy change, ΔG