Problem: For the reaction A(g) ⇌ 2 B(g), a reaction vessel initially contains only A at a pressure of PA = 1.26 atm. At equilibrium, PA = 0.28 atm. Calculate the value of Kp. (Assume no changes in volume or temperature.)

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For the reaction A(g) ⇌ 2 B(g), a reaction vessel initially contains only A at a pressure of PA = 1.26 atm. At equilibrium, PA = 0.28 atm. Calculate the value of Kp. (Assume no changes in volume or temperature.)

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