Spec 7405
Revise AQA A Level Chemistry Gibbs free-energy change, $\Delta G$ , and entropy change, $\Delta S$ (A-level only) with the question bank, lessons, and flashcards.
Papers
Past papers, predicted papers and mini tests
Question bank
Practise exam-style questions for this topic
Lessons
Interactive bite-sized lesson with practice cards
Flashcards
Active-recall flashcards to self-test this topic
Exam builder
Build a custom mock from exam-style questions
Paper marker
Upload a completed paper and get it AI marked
Grade calculator
Enter your marks to see your predicted grade