The longest hydrocarbons have very high boiling points. They leave the column as a hot liquid called bitumen. Shorter hydrocarbon molecules have weaker intermolecular forces and lower boiling ...

In this video, Fran Scott explains fractional distillation - the separation of crude oil into fractions. Crude oil is a finite resource; petrol and other fuels are produced from it using ...

Six dead dolphins have washed ashore in the Krasnodar Region of Russia. According to the Shot channel, two more dead animals ...