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What are the optimum conditions for the haber process and why
Optimum conditions are high pressure because it increases yield low temp because it can increse the reaction buyt also reak the ammonia down and high temp means more energy wasted which means higher costs. iron catalyst speeds reaction
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why is recycling unreacted nitrogen and hydrogen good?
This makes it more efficient and cheaper as they don't need to buy knew reactants
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what are the disadvantages and advantages of using aluminium for cars
Aluminium advantage - it doesn't corrode so the car last longer and its light so better fuel economy Disadvantage- it is expensive
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what are the disadvantages and advantages of using steel for cars
steel advantage- it is strong and is cheaper than aluminium Disadvantage- it corrodes very easily
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advantages and disadvantages of recycling cars
disadvantage- separating parts causes more pollution and is expensive Advantage- its a finite resource, less landfill waste, fewer toxic materials
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iron + oxygen + water
hydrated iron oxide
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Advantages and disadvantages of recycling copper
Ad- it is a finite resourse, the cost of copper is cheap, mining stops so less harm to the environment Dis - separating pure copper and impure copper cause pollution and is expensive, less mining jobs
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why is recycling unreacted nitrogen and hydrogen good?

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This makes it more efficient and cheaper as they don't need to buy knew reactants

Card 3

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what are the disadvantages and advantages of using aluminium for cars

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Card 4

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what are the disadvantages and advantages of using steel for cars

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Card 5

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advantages and disadvantages of recycling cars

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