Crude oil and fuel Flashcards
1
Q
how does fractional distillation work?
A
there’s a large tower, the bottom is kept much hotter than the top, the temperature decreases as you go up the tower, when the hydrocrabons meet their boiling point they condense and are collected at different points and are seperated.
2
Q
what is crude oil made up of mostly
A
Alkanes (hydrocarbons)
3
Q
the shorter the alkane chain the…
A
more flammable it is
4
Q
we can use alkanes as
A
fuel
5
Q
what do all fossil fuels produce as a waste product?
A
sulfur dioxide
6
Q
when there is not enough oxygen in an engine we get an
A
incomplete combustion
7
Q
an incomplete combustion will produce…
A
carbon monoxide
8
Q
the higher temperature in an engine allows for what to react together
A
nitrogen and oxygen, this makes nitrogen oxide which is poisonous.
