Properties of hydrocarbons (AQA GCSE Chemistry): Flashcards
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15 cards from this deck
Alkanes composition
Alkanes composition
Carbon and hydrogen atoms only
Boiling pt trend as alkanes get bigger
Boiling pt trend as alkanes get bigger
Increases
Viscosity trend as alkanes get bigger
Viscosity trend as alkanes get bigger
Increases (thicker, less flow)
Flammability trend as alkanes get bigger
Flammability trend as alkanes get bigger
Decreases (harder to ignite)
Why larger alkanes have higher boiling pts
Why larger alkanes have higher boiling pts
Stronger intermolecular forces
Viscosity definition
Viscosity definition
How thick a liquid is & how easily it flows
Flammability definition
Flammability definition
How easily something catches fire
Viscosity of small hydrocarbon molecules
Viscosity of small hydrocarbon molecules
Low (runny liquids)
Viscosity of large hydrocarbon molecules
Viscosity of large hydrocarbon molecules
High (thick liquids)
Flammability of small hydrocarbon molecules
Flammability of small hydrocarbon molecules
Very flammable
Flammability of large hydrocarbon molecules
Flammability of large hydrocarbon molecules
Less flammable
Products of complete combustion of hydrocarbons
Products of complete combustion of hydrocarbons
and
1st step balancing combustion equations
1st step balancing combustion equations
Balance C - count C atoms, put # before
2nd step balancing combustion equations
2nd step balancing combustion equations
Balance H - count H, divide by 2 for
3rd step balancing combustion equations
3rd step balancing combustion equations
Balance O - count O needed, put # before