WJEC A-level Chemistry A410QS · PI4.2

Entropy and feasibility of reactions

Code: PI4.2
In: PI4 Topic PI4: Energy changes
Course: A-level Chemistry A410QS
Board: WJEC

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 under PI4.2

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

Points in PI4 Topic PI4: Energy changes

PI4.1 Enthalpy changes for solids and solutions
PI4.2 Entropy and feasibility of reactions