a.State Le Châtelier's principle.
b.The following reaction is at equilibrium in a closed container:
2Fe(OH)3(s) 
Fe2O3(s)+ 3H2O(g); ΔH°rxn > 0
What effects,if any,will the following actions have on the position of equilibrium? In each case,
state the direction of any shift in equilibrium,and give your reasons in one sentence.
(i)adding more Fe(OH)3
(ii)raising the temperature
(iii)adding a more water vapor a.If a stress is applied to a system at equilibrium,the equilibrium position shifts so as to reduce that stress.
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