C3, Ammonia

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  • Created by: emmajane_
  • Created on: 21-04-14 14:10
What is ammonia a compound of?
Hydrogen and nitrogen
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Name 2 properties of ammonia?
It's a colourless gas and a weak acid
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Name 4 uses of ammonia
fertilizers, home cleaners, nylon and explosives
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Hydrogen and nitrogen are both raw materials. How are thery both obtained?
hydrogen is obtained by cracking and nitrogen is obtaind from the air (which is 78%) nitrogen
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What is a closed system?
A system where no ractants are added and no products are removed
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What is the result of a reaction happening in a closed system?
An equilimbrium happens
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What does the percentage yield depend on at equilibrium?
The balance between the forward and backwards reactions
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What happens to the yield if the temperature is increased?
The yield is endothermic
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What happens to the yield if the temperature is decreased?
The yield is exothermic
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WHat is forward and backwards of the haber process?
forward= exothrmic backwards=endothermic
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What is the optimum temperature for a yield?
450 degrees celsius
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Name 4 costs of the haber process
1. energy 2. The starting materials 3. Labour costs 4. Equipment
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Why are catalysts used in the industry?
They speed up he reaction and reduce costs by- reducing energy, labour and equipment needed
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Other cards in this set

Card 2

Front

Name 2 properties of ammonia?

Back

It's a colourless gas and a weak acid

Card 3

Front

Name 4 uses of ammonia

Back

Preview of the front of card 3

Card 4

Front

Hydrogen and nitrogen are both raw materials. How are thery both obtained?

Back

Preview of the front of card 4

Card 5

Front

What is a closed system?

Back

Preview of the front of card 5
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