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fuel gases, because they have the smallest amount of carbons present...between 1 and 4.
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∙ 15y ago
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What does crude oil contain?
Crude oil contains a mixture of hydrocarbons molecules
How can you make monomer molecules unsaturated?
That depends what the monomer is. Most unsaturated monomers are manufactured commercially from crude oil. Ethene, for instance, is made by cracking the gas oil fraction of crude oil. Vinyl chloride is then made from ethene. Styrene is made from benzene and ethene.
What is the connection between the size of the molecules in crude oil and their condensing or boiling point's?
Smaller molecules have a lower boiling point, and larger molecules have a higher boiling point. Source: Learnt this in class today.
What is a cracking of a oil fraction?
It is when you break large hydrocarbons/alkanes, into smaller more useful alkanes/alkenes. For example a large hydrocarbon in crude oil is Bitumen. By passing this substance over a hot catalyst, you can break it down into smaller hydrocarbons such as Petrol or Diesel
Why does crude oil need to be separated?
You use fractional distillation. This involves a fractionating tower in which vaporised crude oil is fed into. It relies on the substances in crude oil having differnet boiling points. The temperature decreases further up the column, so shorter chain molecules condense near the top, while longer chain molecules - like bitumen - condense lower down - near 350 degrees. This refines crude oil easily.
How crude oil is separated into useful fraction?
Crude oil is separated into different substances with similar boiling points. The substances in crude oil can be separated using fractional distillation. The crude oil is evaporated and its vapours are allowed to condense at different temperatures in the fractionating column. Each fraction contains hydrocarbon molecules with a similar number of carbon atoms
What does crude oil contain?
Crude oil contains a mixture of hydrocarbons molecules
What is a fraction in crude oil?
Crude oil is a mixture of various chemicals. If you distill crude oil you can separate it into components, which are also known as fractions.
Did crude oil means petroleum?
Petroleum is refined from crude oil and is but one fraction only
How can you make monomer molecules unsaturated?
That depends what the monomer is. Most unsaturated monomers are manufactured commercially from crude oil. Ethene, for instance, is made by cracking the gas oil fraction of crude oil. Vinyl chloride is then made from ethene. Styrene is made from benzene and ethene.
Which fraction in the fractional distillation of crude oil has the longest chain molecule?
Because this crude oil has a short chain
Why is cracking used in crude oil or petroleum refinement?
In oil refining, cracking is the process of breaking large molecules into smaller molecules for which the refinery has more use, either as a product or as a feed stock to make something else.
Does crude oil have a low viscosity fraction?
yes it does
What is the connection between the size of the molecules in crude oil and their condensing or boiling point's?
Smaller molecules have a lower boiling point, and larger molecules have a higher boiling point. Source: Learnt this in class today.
What is a cracking of a oil fraction?
It is when you break large hydrocarbons/alkanes, into smaller more useful alkanes/alkenes. For example a large hydrocarbon in crude oil is Bitumen. By passing this substance over a hot catalyst, you can break it down into smaller hydrocarbons such as Petrol or Diesel
How do you manufacture synthetic petrol?
Petroleum is a fraction of crude oil obtained via fractional distillation. It can also be obtained via 'cracking'( splitting the molecule of a larger fraction to gain more, smaller molecules). I do not think you can make synthetic petrol as synthetic means man-made which usually means plastics. I do not think petrol can be made from monomers and polymers.
Why are fractions from crude oil cracked?
To make alkenes, to make alkenes with smaller molecules, to make fuels that are more useful or for which there is more demand.Large hydrocarbons do not burn easily or are less in demand
