For the equilibrium reaction PCl5(g) <---> PCl3(g) + Cl2(g), the equilibrium constant Kp is 0.497 at 500K. A gas cylinder at 500K is charged with PCl5(g) at an initial pressure of 1.66 atm. What are the equilibrium partial pressures of PCl5, PCl4, and Cl2 at this temperature?

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter14: Chemical Equilibrium
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For the equilibrium reaction PCl5(g) <---> PCl3(g) + Cl2(g), the equilibrium constant Kp is 0.497 at 500K. A gas cylinder at 500K is charged with PCl5(g) at an initial pressure of 1.66 atm. What are the equilibrium partial pressures of PCl5, PCl4, and Cl2 at this temperature?

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