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1.
(a) How does a catalyst affect the rate of a reaction such as the ammonia synthesis?
(b) How does a catalyst affect the amount of ammonia present at equilibrium?
2.
In a sealed vessel containing only water, the following change in state comes to equilbrium (the process is endothermic going from left to right) :
H₂O(liquid)+ HEAT ↔ H₂O(gas)
If heat is added to the system, in which direction will the equilibrium shift?