Zusammenfassung der Ressource
Chemistry
- Quantitative Chemistry
- The chemical formula of a compound
shows how many of each type of atom
join together to make the units which
make up the compound.
- Fractional Distillation
- Fractional distillation
seperates a mixture into a
number of different parts
fractions
- A tall fractionating
column is fitted above
the mixture, with several
condensers coming off at
different heights
- Substances with high boiling
points condense at the bottom
of the column
- Substances with low boiling
points condense at the top
of the column
- Crude oil is a mixture of
hydrocarbons. The crude oil is
evaporated and its vapours
condense at different
temperatures