Separating longer Alkanes into a shorter Alkane and and Ethene (using heat).
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Why do we crack Alkanes?
we have an large appetite for petrol and diesel in our cars which are shorter chained. Fuel oil, naphtha and bitumen in crude oil exceed demand. Also, shorter chained molecules ignite easier.
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What is a biofuel?
A fuel derived directly from living matter.
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Name some advantages of Biofuels.
Renewable, carbon neutral, no green house effect, increased labour; more work.
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Name some disadvantages of Biofuels.
eed land to grow crops, losing land to grow food, low availability; low impact, loss of habitats, burning of crops --> CO2
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What is incomplete combustion?
Incomplete combustion occurs when the supply of air or oxygen is poor. Water is still produced, but carbon monoxide and carbon are produced instead of carbon dioxide.
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Name some dangers of incomplete combustion.
carbon monoxide poisoning, carbon collects in lungs. Soot on walls
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What is fractional distillation?
separating a mixture (oil) into a number of different parts, called fractions
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Is the Distillation tower hotter at the top or at the bottom?
Bottom (bitumen, fuel oil)
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Other cards in this set
Card 2
Front
Are Alkanes saturated or unsaturated?
Back
Alkanes are saturated (because they are holding the maximum amount of (hydrogen) atoms.)
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