1
Q
Order of Fractions + uses
A
Gas - fuel on site
Gasoline - cars
Kerosine - jets
Diesel - vans
Lubricant - engine oils
Fuel - ships
Bitumen - roofing
2
Q
Define fraction
A
Hydrocarbon chains with similar boiling points and properties
3
Q
Thermal cracking conditions + products
A
1200K (high heat)
7000kPa (high pressure)
Alkenes
4
Q
Catalytic cracking conditions + products
A
1-2 atmospheres (slight pressure)
700K (high temperature)
Zeolite catalyst
Aromatic compounds and motor fuels
5
Q
How does CO₂ and H₂O vapour cause global warming
A
C=O or H-O bonds absorb infrared radiation
Transfer the energy to other molecules in the atmosphere via collisions
Warns the atmosphere
Chemistry Key Points
flashcards
Decks in class (6)
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