3.32 AS Physical Chemistry
| Task | Possible context |
| Measure an enthalpy change | Use Hess's law to find an unknown enthalpy change, such as the reaction of anhydrous copper(II) sulfate with water to produce hydrated crystals |
| Determine the Mr of a volatile liquid or the Mr of a gas | Determine the Mr of hexane or the Mr of carbon dioxide |
| Investigate how the rate of a reaction changes with temperature. | Investigate the rate of reaction of sodium thiosulfate with acid at different temperatures |