Reversible Reactions, Industrial Shit

Question 1

WHAT REACTS TOGETHER TO FORM AMMONIA?

Answer 1

Nitrogen and Hydrogen

Question 2

WHAT IS A REVERSIBLE REACTION?

Answer 2

Reaction that can go forwards and backwards

Question 3

IS THE FORWARD REACTION IN THE HARBOUR PROCESS EXO OR ENDO?

Answer 3

Exothermic

Question 4

WHAT IS THE FORMULA FOR AMMONIA?

Answer 4

NH3

Question 5

WHAT TEMPERATURE PRODUCES A HIGH PRODUCT YEILD IN EXO REACTIONS?

Answer 5

Low temperature

Question 6

WHAT TEMPERATURE PRODUCES A HIGH PRODUCT YEILD IN ENDO REACTIONS?

Answer 6

High temperature

Question 7

WHAT ARE THE CONDITIONS IN THE HARBOUR PROCESS?

Answer 7

• Temp between 350 - 450

• Iron catalyst (compensate for low temp)

• High pressure of 150 - 200 atmospheres

Question 8

HOW ARE AMMONIA FERTILISERS MADE?

Answer 8

Ammonia is neutralised in reactions with acids

Question 9

WHAT ARE THE EQUATIONS FOR NEUTRALISINF AMMONIA?

Answer 9

Ammonia + sulfuric acid —> ammonium sulfate

Ammonia + nitric acid —> ammonium nitrate

Question 10

WHAT IS THE TEST FOR AMMONIA GAS?

Answer 10

1) Heat up solution with some sodium hydroxide solution

2) Gas produced turna damp red litmus paper blue

Question 11

WHAT ARE RHE THREE STAGES OF THE CONTACT PROCESS?

Question 12

WHAT CONDITIONS ARE NEEDED FOR STAGE 2 OF THE CONTACT PROCESS?

Answer 12

• Temp in the range of 400 - 500’C

• Atmospheric pressure

• A vanadium

Question 13

WHAT ARE THE THREE EQUATIONS OF THE CONTACT PROCESS?

Question 14

WHAT ARE THE USES OF SULFURIC ACID?

Answer 14

Fertilisers
Paint
Paper
Detergents