WJEC A-level Chemistry A410QS · PI4.2(e)
Spontaneous reactions and free energy
- Code
- PI4.2(e)
- In
- PI4.2 Entropy and feasibility of reactions
- Topic
- PI4 Topic PI4: Energy changes
- Course
- A-level Chemistry A410QS
- Board
- WJEC
Grade boundaries·WJEC command words
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
Points in PI4.2 Entropy and feasibility of reactions
- PI4.2(a) Entropy
- PI4.2(b) Entropy of solids, liquids and gases
- PI4.2(c) Calculating entropy changes
- PI4.2(d) Gibbs free energy
- PI4.2(e) Spontaneous reactions and free energy