The reaction N₂ + 3H₂ ⇄ 2NH₃ + Q is at equilibrium. Which of the following changes will increase the yield of ammonia?
- Increasing the pressure
- Increasing the temperature
- Adding a catalyst
- Decreasing the concentration of N₂
📝 Detailed explanation
Increasing pressure shifts equilibrium toward the side with fewer gas moles (from 4 to 2).Increasing temperature shifts it left (exothermic).
A catalyst does not change the yield, only the speed.