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Gaseous IBr is placed in a closed container at 663 oC, where it partially decomposes to I2 and Br2:
2 IBr(g) 1 I2(g) + 1 Br2(g)
At equilibrium it is found that p(IBr) = 0.004560 atm, p(I2) = 0.006200 atm, and p(Br2) = 0.009680 atm. What is the value of KP at this temperature?
KP = ________
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