General Chemistry · Module 16 · Entropy, free energy and electrochemistry

Electrochemistry Walkthrough

Watch particles spread out, free energy slide downhill and electrons race through a wire from zinc to copper. One story links entropy, Gibbs free energy, batteries, rust and electroplating. Go at your own pace. Nothing here is graded.

Speed

Think of it like this

Quick check

Wrong answers are fine here. Read why, then try again.

Dr. Akash Garg · General Chemistry Study Tools · Particle drawings are simplified and not to scale. CC BY-NC-SA 4.0
Use the left and right arrow keys to move between steps. Animations run far slower than real atoms and electrons and are exaggerated so you can follow them. Values are standard 25 °C table values. Practise next in the Electrochemistry Lab.