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← ScienceWhich effect occurs to ammonia synthesis at equilibrium as hydrogen partial pressure increases in the Haber-Bosch process?
A)Increased equilibrium ammonia concentration✓
B)Decreased equilibrium ammonia concentration
C)No change in equilibrium composition
D)Catalyst poisoning by hydrogen
💡 Explanation
When hydrogen partial pressure increases, the equilibrium shifts towards the product side according to Le Chatelier's principle because the system minimizes the stress of increased reactant concentration. Therefore, increased equilibrium ammonia concentration results, rather than a decrease, no change, or catalyst poisoning, these require different conditions or are not directly related to the equilibrium shift.
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