Physics 1a

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What is cracking? Why is it done?
Cracking is the splitting of long chain hydrocarbons using heat pressure and a cataylist.
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Give an example of a substance that is cracked, and the products that you get from gracking it.
Kerosene = octane and ethene.
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What kind of bonds do alkenes have?
covalent single bonds.
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What is the general formula for alkanes?
CnH(2n+2).
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List four uses of polymers.
waterproof coatings for fabrics, tooth fillings, hydrogel wound dressings, biodegradable packing, dental polymers.
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Why might polymers become more expensive in the future?
Because it may be that one day there won't be enough oil for fuel and plastics. So the price will increase for the high in demand oil.
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Card 2

Front

Give an example of a substance that is cracked, and the products that you get from gracking it.

Back

Kerosene = octane and ethene.

Card 3

Front

What kind of bonds do alkenes have?

Back

Preview of the front of card 3

Card 4

Front

What is the general formula for alkanes?

Back

Preview of the front of card 4

Card 5

Front

List four uses of polymers.

Back

Preview of the front of card 5
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