This module is concerned with calculations involving enthalpy (energy) changes for reactions such as the example below.
2CH
3CH
3(g) + 7O
2(g)

6H2O(l) + 4CO2(g)
Δ
rH = –3114 kJ mol
–1On completion of the module you should be able to use reaction enthalpies (Δ
rH - enthalpy change per mol of reaction)
- to calculate the amount or mass of substance that produces a specified enthalpy change (ΔH)
- to calculate the enthalpy change (ΔH) resulting from reaction of a specified mass or amount of substance