CRUDE OIL AND FUELS

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10 Terms

1
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what is crude oil?

mixture of chemicals called hydrocarbons. These are chemicals that

contain hydrogen and carbon only.

2
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what’s a hydrocarbon?

A compound which contains only hydrogen and carbon

3
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how does fractional distillation work?

Crude oil is heated and vaporises/boils.

· Vapours rise up the column, gradually cooling and condensing.

Hydrocarbons with different size molecules condense at different levels/temperatures.

·The crude oil is separated into a series of fractions with similar numbers of carbon

atoms and boiling points. These are called fractions.

4
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what’s a alkene?

-A hydrocarbon that contains only carbon to carbon single

bonds

5
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what’s cracking?

A process where longer chain hydrocarbons are broken

down into smaller more useful ones.

6
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what’s a alkene?

A hydrocarbon that contains at least one carbon to carbon

double bond.

7
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what’s the general formula for alkenes?

CnH2n

8
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is alkenes or alkanes more reactive?

alkenes

9
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what’s unsaturated?

A compound that contains at least one carbon to carbon double bond

10
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what’s addition reactive?

a chemical reaction where an element or compound is added across a double bond