PHYSICAClass 11 Chemistry simulations · Equilibrium
Le Chatelier’s principle (Haber process)
Disturb N₂ + 3H₂ ⇌ 2NH₃ by changing pressure, temperature or adding reactant and watch the equilibrium shift.
What to notice
Higher pressure and lower temperature favour ammonia; adding N₂ also shifts the equilibrium to the right.
Key relation
N₂ + 3H₂ ⇌ 2NH₃ ; ΔH = −92.4 kJ/mol
Try this
Raise the temperature from 500 K to 800 K. Does the yield of NH₃ rise or fall?
What you can change
- Pressure: 50 to 300 atm
- Temperature: 500 to 900 K
- Extra N₂ added: 0 to 2 ×
More in Equilibrium
- Buffer solutions (Henderson equation)
- pH of acids and bases
- Solubility product and common ion effect
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