Back to AI Flashcard MakerChemistry /GCSE Chemistry: Separating Crude Oil
Is the top of an oil fractionating column hotter or colder than the bottom of an oil fractionating column?
The top is colder than the bottom of the column
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Key Terms
Term
Definition
Is the top of an oil fractionating column hotter or colder than the bottom of an oil fractionating column?
The top is colder than the bottom of the column
What do we call the compounds that contain only carbon and hydrogen atoms?
Hydrocarbons
What happens to a liquid during its separation from a mixture by distillation?
It evaporates and then condenses
In comparison to large hydrocarbons, how would you describe small hydrocarbons?
They are more volatile
What is the general formula for alkanes?
CnH2n+2
Are alkanes saturated or unsaturated?
They are saturated
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| Term | Definition |
|---|---|
Is the top of an oil fractionating column hotter or colder than the bottom of an oil fractionating column? | The top is colder than the bottom of the column |
What do we call the compounds that contain only carbon and hydrogen atoms? | Hydrocarbons |
What happens to a liquid during its separation from a mixture by distillation? | It evaporates and then condenses |
In comparison to large hydrocarbons, how would you describe small hydrocarbons? | They are more volatile |
What is the general formula for alkanes? | CnH2n+2 |
Are alkanes saturated or unsaturated? | They are saturated |
Where are the most viscous hydrocarbons likely to leave the fractionating column at? | The bottom |
Are alkenes saturated or unsaturated? | Unsaturated |
What is the general formula of alkenes? | CnH2n |
What is the name by which we separate crude oil into useful components? | Fractional distillation |