A gas vessel is charged with a mixture of pcl3 (g) and cl2 (g), which is allowed to equilibrate at 450 k. at equilibrium the partial pressures of the three gases are ppcl3 = 0.132 atm, pcl2 = 0.190 atm, and ppcl5 = 1.67 atm. (a) what is the value of kp at this temperature?

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Chemistry

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14 January, 08:12

A gas vessel is charged with a mixture of pcl3 (g) and cl2 (g), which is allowed to equilibrate at 450 k. at equilibrium the partial pressures of the three gases are ppcl3 = 0.132 atm, pcl2 = 0.190 atm, and ppcl5 = 1.67 atm. (a) what is the value of kp at this temperature?

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Leonard Gallagher · Answer 1

Answer is: Kp = 66,586.

Chemical reaction: PCl₃ (g) + Cl₂ (g) ⇔ PCl₅ (g).

Kp - equilibrium constants expressed in terms of partial pressures of gases.

Kp = p (PCl₅) : p (PCl₃) · p (Cl₂). p-partial pressure.

Kp = 1,67 atm : 0,132 atm · 0,190 atm

Kp = 66, 586 1/atm. Favors product.