Phosphorus pentafluoride, PF5(g), partially decomposes to PF3(g) and F2(g) at a temperature of 600 K. A 2.0-liter container is filled with pure PF5. At a temperature of 600 K, the initial pressure of PF5 is 2.0 atm. When equilibrium is reached, half of the original amount of PF5 has decomposed. The equilibrium constant, Kp, is ____.

Phosphorus pentafluoride, PF5(g), partially decomposes to PF3(g) and F2(g) at a temperature of 600 K. A 2.0-liter container is filled with pure PF5. At a temperature of 600 K, the initial pressure of PF5 is 2.0 atm. When equilibrium is reached, half of the original amount of PF5 has decomposed. The equilibrium constant, Kp, is ____.

Phosphorus pentafluoride, PF5(g), partially decomposes to PF3(g) and F2(g) at a temperature of 600 K. A 2.0-liter container is filled with pure PF5. At a temperature of 600 K, the initial pressure of PF5 is 2.0 atm. When equilibrium is reached, half of the original amount of PF5 has decomposed. The equilibrium constant, Kp, is ____.



PF5(g) PF3(g) + F2(g)

a. 0.0025
b. 0.12
c. 0.25
d. 0.50
e. 1.0


Answer: e. 1.0


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