Question

Consider the following equilibrium system: 3 Fe (s) + 4 H2O(g) ⇄ Fe3O4 (s) + 4...

Consider the following equilibrium system: 3 Fe (s) + 4 H2O(g) ⇄ Fe3O4 (s) + 4 H2 (g) State what affect each of the following will have on this system in terms of shifting.

21. The volume of the vessel is decreased

22. The pressure is decreased

23. More Fe is added to the system

24. Some Fe3O4 is removed from the system

25. A catalyst is added to the system

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Answer #1

3 Fe (s) + 4 H2O(g) ⇄ Fe3O4 (s) + 4 H2 (g)

21. The volume of the vessel is decreased = no effect of decrease of volume because gaseous moles of reactants is equal to gaseous moles of products.

22. The pressure is decreased = no effect of decrease of pressure because gaseous moles of reactants is equal to gaseous moles of products.

23. More Fe is added to the system = equilibrium shifted to right.

24. Some Fe3O4 is removed from the system = equilibrium shifted to right.

25. A catalyst is added to the system = no change in equilibrium but catalyst makes the reaction to reach equilibrium faster.

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