Cambridge AS & A Level Chemistry
23.4Gibbs free energy change, ΔG
Gibbs free energy change, ΔG in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic
Overview
Taught in the entropy and Gibbs free energy lesson covered by 23.3.
Learning objectives
What the syllabus expects you to be able to do.
- 23.4.1State and use ΔG⦵ = ΔH⦵ − TΔS⦵.
- 23.4.2Calculate with the Gibbs equation.
- 23.4.3Judge feasibility from the sign of ΔG.
- 23.4.4Predict the effect of temperature on feasibility from ΔH and ΔS.
Lessons
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