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1. Consider the following reaction at equilibrium.   4 FeS2(s) + 11 O2(g)  ⇌  2 Fe2O3(s) + 8 SO2(g)...

1. Consider the following reaction at equilibrium.  

4 FeS2(s) + 11 O2(g)  ⇌  2 Fe2O3(s) + 8 SO2(g)

a. What will happen if the pressure increased?
b. What will happen if the concentration of FeS2(s) is decreased?

2) The following reaction is exothermic:
What direction will the equilibrium shift if the following changes are made?

            2 SO2(g) + O2(g)  ⇌  2 SO3(g)

a) Raising the temperature
b) Adding SO3
c) Removing O2
d) Decreasing the volume

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