Equilibrium and Reversible Reactions Flashcards
What is the Haber Process?
A reversible reaction where hydrogen and nitrogen react above an iron catalyst to form ammonia
What is ammonia?
A chemical used to make fertiliser
What conditions are used for the Haber Process?
- Heated at 450°C
- At 200 atm
Other than adjusting temperature and pressure, how else could you increase the yield of ammonia in the Haber Process?
By cooling it into a liquid and removing it before it can break back down into nitrogen and hydrogen
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What happens if the concentration of a reactant increased in a reversible reaction in a closed system?
The equilibrium would shift to the other side
What will happen if you increase the pressure in a reversible reaction in a closed system?
The equilibrium will shift towards the side with the least molecules
What is an endothermic reaction?
When energy is transferred from the surroundings to the chemical bonds
What is an exothermic reaction?
When energy is transferred from chemical bonds to the surroundings
How is dynamic equilibrium reached?
When a reversible reaction happens in a closed system
What will happen if the temperature is increased in a reversible reaction in a closed system?
The equilibrium will shift in the direction of the endothermic reaction
How does temperature affect the rate of the Haber Process?
Higher temperatures mean a faster reaction but a lower yield
