CRUDE OIL AND HYDROCARBONS Flashcards
1
Q
4 things that are produced from crude oil
A
- plastics
- petrol
- pharmaceuticals
- cosmetics
2
Q
is crude oil finite or renewable and what does this mean
A
crude oil is found in rocks and is finite (if we continue to use it then it will run out)
3
Q
what does crude oil form from
A
crude oil is formed over millions of years from plankton that were buried in mud
4
Q
what molecules does crude oil consist of
A
HYDROCARBONS
5
Q
explain the bonding in methane
A
one carbon atom is covalently bonded to 4 other hydrogen atoms
6
Q
define hydrocarbon
A
hydrocarbons are molecules made out of hydrogen and carbon atoms only
7
Q
what is the general formula of alkanes
A
Cn H2n+2
8
Q
chemical formula
- methane
- ethane
- propane
- butane
A
chemical formula
- methane - CH4
- ethane - C2H6
- propane- C3H8
- butane - C4H10
9
Q
Why are alkane described as saturated molecules
A
the carbon atoms are fully bonded to the hydrogen atoms
