Carbon Compounds As Fuels

Somewhere under the ground beneath you, or under a sea floor a long way from you, the crushed remains of organisms that died before there were dinosaurs have been sitting under heat and pressure for tens of millions of years. What comes out of the drill is a dark, sticky liquid that will not burn cleanly, will not flow through an engine and cannot be sold as anything. Yet almost every journey you have ever taken began with that liquid.

This lesson is about the chemistry that turns a useless mixture into a shelf of specialised fuels. You will see how a single tall steel tower sorts thousands of different molecules without a single chemical reaction taking place, why a molecule with eight carbon atoms makes a good petrol and one with twenty-two does not, how refiners deliberately smash big molecules apart to manufacture the small ones the world keeps running out of, and how one shake of a test tube tells you which of the two hydrocarbon families you are holding.