Question

Pre-Lab Questions

Assume that the following reaction is in chemical equilibrium: N2 (g) + 3H2 (g)  2NH3 (g) + heat

Use Le Chatelier’s principle to explain the effect each of the following changes will have upon the system – will the equilibrium shift towards the product or reactant side? Why?

1. If more hydrogen is added to the system, the equilibrium will shift to the… (right, left, or remains unchanged) and why?
2. If ammonia is removed from the system, the equilibrium will shift to the… (right, left, or remains unchanged) and why?
3. If nitrogen is removed from the system, the equilibrium will shift to the… (right, left, or remains unchanged) and why?
4. If the temperature is raised, the equilibrium will shift to the… (right, left, or remains unchanged) and why?
5. If the pressure of the system is decreased by doubling the total volume, the equilibrium will shift to the… (right, left, remains unchanged) and why?

Answer 1

1. shift to right

2. shift to right

3. shift to left

4. shift to left

5. shift to right