Chemical engineers take a reaction that works in a flask and make it work at the scale of a factory: refineries, fertilizer and plastics plants, medicines, food and drink, batteries, water treatment and carbon capture. The job is part chemistry, part physics and part economics, with safety running through all of it.
This path takes you through the ideas in the order a university course would, in short lessons with practice that checks your answers. Each course starts with a recap of what it uses from the earlier ones, so you can also dip into any stage on its own.
1
Chemistry
What matter is made of and how it reacts: atoms, bonds, moles and equations, then the carbon compounds that most of industry runs on.
Excel: Formulas (10 lessons). Engineers run balances, cost estimates and lab data through spreadsheets every day.
Python: Programming basics (9 lessons). Python is common for data analysis and quick models of a process.
More info
How the path works
Take the courses in order, or start wherever you like: each one opens with a short recap of what it uses from the earlier ones. Your progress is each course’s own, saved in this browser, so lessons you’ve already done count here too. Each course has its own final exam and certificate once you’ve done every lesson.
Is it a qualification?
No. A chemical engineering degree also takes calculus and differential equations, physics, more lab work and a large design project, and many engineers go on to a professional licence. This path covers the core ideas in plain language; it's a good start or refresher, not a qualification.