Graphs Mastery 2 Check Hard Topic Unit 9

📊 10 Things to Know About AP Chemistry Graphs (Unit 9)

🔋 Unit 9: Electrochemistry (E°cell vs. log Q — Nernst Plot)

1. Graph: Ecell vs. log Q (reaction quotient).
2. Linear equation follows Nernst Law.
3. Slope is determined by number of electrons.
4. More product → lower voltage.
5. More reactants → higher voltage.
6. At Q = 1, E = E°cell.
7. When E = 0 → equilibrium point (solve for K).
8. Important for concentration cells.
9. Graph reflects redox system dynamics.
10. Positive E° means spontaneous redox.