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Consider the reaction of SO3 in equilibrium with SO2 and O2,shown below. What will happen to the equilibrium if the temperature of the reaction is decreased?
2 SO3(g) ? 2 SO2(g) + O2(g)
?H° = 197 kJ: *
a. It will shift to the right (forward direction).
b. It will shift to the left (reverse direction).
c. There will be no shift; it will remain the same.
d. It cannot be determined from the information given.
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