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Chemistry Paper 2 > Hydrocarbons > Flashcards

Hydrocarbons Flashcards

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1
Q

What two elements do hydrocarbons contain?

A

Carbon and Hydrogen atoms only

MUST INCLUDE ONLY

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2
Q

What are alkanes

A

Saturated hydrocarbons of a general formula: CnH2n+2

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3
Q

What two waste products form from the complete combustion of hydrocarbons?

A

Carbon dioxide and Water vapour

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4
Q

Describe the physical properties of alkanes

A

First few are gases then change to liquids then to solids
Boiling points and melting points and viscosity-thickness- increases as molecules get bigger
Volatility and flammability decreases as molecules get bigger
Poor reactivity

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5
Q

Describe the combustion of hydrocarbons

A
  • Exothermic reaction occurring when hydrocarbons are reacted with oxygen
    • Complete combustion produces CO2 and H2O
    • Incomplete combustion produces Carbon or Carbon monoxide and water
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Chemistry Paper 2 (23 decks)

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