chemistry topic 10
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- Created on: 26-03-23 16:16
1. describe ceramics
2.describe composites
3.examples of composites
4.what influences the properties of a polymer?
5. describe thermosoftening polymers.
2.describe composites
3.examples of composites
4.what influences the properties of a polymer?
5. describe thermosoftening polymers.
1.non-metal solids,high melting points, made of clay or glass.
2. made of one material embedded in another: fibres or fabrics surrounded by a matrix that acts as a binder
3. fibreglass, concrete, wood
4. how it's made and what it's made from
5.individual
2. made of one material embedded in another: fibres or fabrics surrounded by a matrix that acts as a binder
3. fibreglass, concrete, wood
4. how it's made and what it's made from
5.individual
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6. describe thermosetting polymers
7. what are the functions of ceramics?
8.what are the functions of polymers?
9.what are the functions of composites?
7. what are the functions of ceramics?
8.what are the functions of polymers?
9.what are the functions of composites?
6.monomers that can form cross-links between the polymer chains holding them together in a solid structure. they don't soften when heated
7.insulators of heat and electricity, they're brittle and stiff
8.insulators of heat and electricity, can be flexible
7.insulators of heat and electricity, they're brittle and stiff
8.insulators of heat and electricity, can be flexible
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10. what are the functions of metals?
11. what are alloys?
12.what are uses of alloys in everyday life?
11. what are alloys?
12.what are uses of alloys in everyday life?
10. malleable, good conductors of heat and electricity, ductile, shiny and stiff
11. a metal made by combining two or more metallic elements, to give greater strength or resistance to corrosion.
12. bronze (copper & tin) it's harder, brass (copper & zinc)
11. a metal made by combining two or more metallic elements, to give greater strength or resistance to corrosion.
12. bronze (copper & tin) it's harder, brass (copper & zinc)
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1. define corrosion
2. what is the corrosion of iron called?
3. what is the equation for rust
2. what is the corrosion of iron called?
3. what is the equation for rust
1. where metals react with substances in their environment and are gradually destroyed.
2. rust/hydrated iron(iii) oxide
3.iron + oxygen + water -> hydrated iron(iii) oxide / rust
2. rust/hydrated iron(iii) oxide
3.iron + oxygen + water -> hydrated iron(iii) oxide / rust
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1. what experiments show oxygen and water are
needed for iron to rust?
2. what are the two ways of rust prevention?
3. what is the sacrificial method?
4.what are the barrier methods?
needed for iron to rust?
2. what are the two ways of rust prevention?
3. what is the sacrificial method?
4.what are the barrier methods?
1. put an iron nail in a tube of only boiling water or only air, it won't rust but in a tube with both then it will.
2. barrier method and sacrificial method
3.placing a more reactive metal with iron.
4. coating it with plastic, painting, electroplating,
2. barrier method and sacrificial method
3.placing a more reactive metal with iron.
4. coating it with plastic, painting, electroplating,
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1. finite sources include:
2. what are the risks of extracting finite sources?
3. define sustainable development
4. why is recycling metals important?
2. what are the risks of extracting finite sources?
3. define sustainable development
4. why is recycling metals important?
1. fossil fuels, nuclear fuels, minerals, metals, ores
2. people have to balance the social, economic and environmental effects of extracting them.
3. an approach to development that takes account of the needs of present society while not damaging the pre
2. people have to balance the social, economic and environmental effects of extracting them.
3. an approach to development that takes account of the needs of present society while not damaging the pre
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5. what does the life cycle assessments show?
6. what are the problems with life cycle assessments?
7. define potable water
6. what are the problems with life cycle assessments?
7. define potable water
5. total environmental costs of getting the raw materials, manufacture and packaging and using the product.
6.effect of some pollutants are difficult to identify and so answers may be faulty.
7.water that's been treated or is naturally safe for humans to
6.effect of some pollutants are difficult to identify and so answers may be faulty.
7.water that's been treated or is naturally safe for humans to
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1. how is fresh water sources treated?
2. what is used to desalinate sea water?
2. what is used to desalinate sea water?
1. filtration and sterilization
2.distillation
2.distillation
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1. what is needed to make ammonia?
2.what is the haber process?
3. what is the reaction used?
2.what is the haber process?
3. what is the reaction used?
1.nitrogen and hydrogen
2. the method of making ammonia from hydrogen and nitrogen
3. nitrogen + hydrogen <--> ammonia (+heat)
2. the method of making ammonia from hydrogen and nitrogen
3. nitrogen + hydrogen <--> ammonia (+heat)
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1. what are the three main things in fertilizers?
2. what are NPK fertilisers?
3. what is ammonia used to produce?
4.what else is useful in fertilisers?
5.what is the equation for ammonium nitrate?
2. what are NPK fertilisers?
3. what is ammonia used to produce?
4.what else is useful in fertilisers?
5.what is the equation for ammonium nitrate?
1.nitrogen, phosphorus, and potassium
2. formulations containing salts of nitrogen, phosphorus and potassium in the right percentages of the elements
3.nitrogen-containing compounds
4.ammonium nitrate
5. ammonia + nitric acid -> ammonium nitrate
2. formulations containing salts of nitrogen, phosphorus and potassium in the right percentages of the elements
3.nitrogen-containing compounds
4.ammonium nitrate
5. ammonia + nitric acid -> ammonium nitrate
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6.how is ammonium nitrate produced in industry?
7. How is ammonium nitrate produced in the lab?
7. How is ammonium nitrate produced in the lab?
6. the reaction is carried out in giant vats at high concentrations resulting in a very exothermic reaction. the heat released is used to evaporate water to make a very concentrated ammonium nitrate product.
7. Small scale by titration and crystallisation
7. Small scale by titration and crystallisation
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1. Where are phosphate and potassium sourced from?
2. What are they used as?
3. What does reacting phosphate rock with different types of acid produce?
4. What does reaction with nitric acid produce?
2. What are they used as?
3. What does reacting phosphate rock with different types of acid produce?
4. What does reaction with nitric acid produce?
1. Mind compounds
2. A source of potassium
3. Soluble phosphates
4. Phosphoric acid and calcium nitrate
2. A source of potassium
3. Soluble phosphates
4. Phosphoric acid and calcium nitrate
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Other cards in this set
Card 2
Front
6. describe thermosetting polymers
7. what are the functions of ceramics?
8.what are the functions of polymers?
9.what are the functions of composites?
7. what are the functions of ceramics?
8.what are the functions of polymers?
9.what are the functions of composites?
Back
6.monomers that can form cross-links between the polymer chains holding them together in a solid structure. they don't soften when heated
7.insulators of heat and electricity, they're brittle and stiff
8.insulators of heat and electricity, can be flexible
7.insulators of heat and electricity, they're brittle and stiff
8.insulators of heat and electricity, can be flexible
Card 3
Front
10. what are the functions of metals?
11. what are alloys?
12.what are uses of alloys in everyday life?
11. what are alloys?
12.what are uses of alloys in everyday life?
Back
Card 4
Front
1. define corrosion
2. what is the corrosion of iron called?
3. what is the equation for rust
2. what is the corrosion of iron called?
3. what is the equation for rust
Back
Card 5
Front
1. what experiments show oxygen and water are
needed for iron to rust?
2. what are the two ways of rust prevention?
3. what is the sacrificial method?
4.what are the barrier methods?
needed for iron to rust?
2. what are the two ways of rust prevention?
3. what is the sacrificial method?
4.what are the barrier methods?
Back
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