Haber And Contact Process

Question 1

What is the contact process

Answer 1

It uses a heterogeneous catalyst (V2O5) to make sulfuric acid

Question 2

Contact process steps

Answer 2

Sulphur dioxide heated to 450 degrees and converted to sulphur trioxide

Sulphur trioxide is then converted into concentrated Sulphuric acid

Question 3

What is the haber process

Answer 3

Uses nitrogen and hydrogen to produce ammonia using a heterogeneous catalyst (iron)
Condotions - 450 degrees 200 atm

Question 4

Why is using powdered catalyst better

Answer 4

Increased surface area meaning more reactant absorption therefore faster rate of reaction

Question 5

How does contact process work

Answer 5

Nitrogen and and hydrogen react in a sealed vessel at 200atm and 450 degrees to form ammonia

Question 6

What are the steps to the haber process

Answer 6

Nitrogen and hydrogen are fed into the reaction vessel at 450 degrees and 200 atm
They will mix to form ammonia however there will still be nitrogen and hydrogen molecules which won’t have reacted

The mixture is passed through a condenser where ammonia condenses and the left over hydrogen and nitrogen molecules are recycled back into the vessel