The Haber Process
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16 Terms
1
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What is the formula of ammonia
NH3
2
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What catalyst is used in the haber process
iron
3
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What is the temperature used for the haber process
450 degrees celsius
4
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What is the pressure used in the haber process
200atm
5
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What is the ammonia used to produce
Fertilisers
6
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Where do we get the nitrogen from
The air
7
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Where do we get the hydrogen from
Made from hydrocarbons like methane
8
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Is the forward reaction exothermic or endothermic
Exothermic
9
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How is the mixture separated to obtain ammonia
Fed into a condenser and the ammonia condenses into liquid ammonia
10
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What 3 things need to be considered when evaluating the conditions used
Percentage yield, rate of reaction and cost
11
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What temperature is required to achieve a high percentage yield
Low
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Why is a low temperature not used
As the rate of reaction would be too slow
13
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What is another drawback of high temperatures
It is expensive
14
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What pressure is required for a high percentage yield
High pressure
15
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What is high pressure also useful for
A higher rate of reaction
16
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What are the two issues with high pressure
High cost and safety concerns
Note 
Flashcards (40)