C2 - Making ammonia Flashcards

1
Q

What are reversible reactions?

A

Reactions that can go in both directions.

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2
Q

What is the word equation for the reaction between nitrogen and hydrogen?

A

Nitrogen + Hydrogen =* Ammonia

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3
Q

Fritz Haber solved the problem of making nitrogen and hydrogen react. What was the problem?

A

Nitrogen is not a reactive gas.

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4
Q

What are the conditions for the hater process?

A
  • iron catalyst
  • 200 atm pressure
  • 450*C
  • recycling system
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5
Q

Why are the conditions needed a compromise?

A
  • pressure could be higher however it is expensive

- temperature decreases yield but increases reaction speed

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6
Q

What affects the cost of making ammonia?

A
  • the cost of building the plant
  • labour costs
  • costs of chemicals
  • energy costs
  • how fast the reaction will go
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7
Q

What is the main use of ammonia?

A

As a fertiliser.

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