Haber process Flashcards
Haber process definition
reversible reaction used to make fertilisers and nitric acid
How is ammonia gas made
nitrogen (from the air) and hydrogen (react steam with methand)
Conditions of the Haber process
450 degrees, 200 atm, iron catalyst
How is ammonia removed from the Haber process
condensed
Where do the unreacted nitrogen and hydrogen go
recycled back into the process
What happens when the temperature is too high in the Haber process
rate of reaction is high but yield too low
What happens when the temperature is too low in the Haber process
yield high but rate of reaction is low, rate is preferred over yield
What happens when the pressure is high in the Haber process
increases rate and yield but there are safety concerns and energy costs are increased
Why is an iron catalyst used
increases rate of reaction but has no affect of yield
What is ammonia used for
fertilisers, nitric acid, dyes
Ammonia formula
N2 + 3H2 <-> 2NH3
