What is the name of the reaction to produce polymers?
Polymerisation
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Give 3 examples of what polymers and why?
They're not biodegradable and so can't be broken down by microbes which can lead to problems with waste disposal
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Which are the two ways ethanol can be produced?
Hydration of ethene- produced by adding hydrating ethene with steam/ water vapour in the presence of a catalysist- ethene + water = ethanol, Fermentation with yeast- sugar = carbon dioxide + ethanol
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What are the advantages of hydration with ethene?
It's continuous, it's fast, it's efficient and it's cheap
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What are the disadvantages of hydration with ethene?
It's dangerous, uses lots of energy, it will run out and it will become expensive
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What are the advantages of fermentation with yeast?
It's renewable and cheaper
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What are the temperatures and conditions needed for hydration with yeast?
37
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Other cards in this set
Card 2
Front
Give 3 examples of what polymers and why?
Back
They're not biodegradable and so can't be broken down by microbes which can lead to problems with waste disposal
Card 3
Front
Which are the two ways ethanol can be produced?
Back
Card 4
Front
What are the advantages of hydration with ethene?
Back
Card 5
Front
What are the disadvantages of hydration with ethene?
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