10: Reversible reactions Flashcards
1
Q
What are the signs of a chemical change
A
Production of a new substance Irreversible change (some are reversible)
2
Q
What is the forward reaction in the Haber process?
A
Nitrogen and hydrogen make ammonia
3
Q
What is the backward reaction in the Haber process?
A
Ammonia breaks down to make nitrogen and hydrogen
4
Q
How do you get a high yield in the haber process?
A
the conditions must favour the forward reaction rather than the backward reaction
5
Q
Why use high pressure?
A
otherwise the price would be too high
