CHEM: Crude Oil Flashcards
1
Q
What is crude oil made up of?
A
Hydrogen and Carbon (Hydrocarbons called Alkanes)
2
Q
What is produced when you burn hydrocarbon fuels in air?
A
Carbon dioxide and water
3
Q
Describe LONG chain molecules
A
High BP
Very thick
Does not burn easily, smoky flame
4
Q
Describe SHORT chain molecules
A
Low BP
Very runny
Very flammable and burns easily
5
Q
Do lighter fractions make better or worse fuels?
A
Better
6
Q
Crude oil has to be separated before use by….
A
Distillation
7
Q
Crude oil is…
A
Dark
Smelly
A mixture of different compounds
8
Q
Distillation
A
Separates liquids with different boiling points
