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    Exam 14: Chemical Equilibrium
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    At 250ºC, the Equilibrium Constant K<sub>p</sub> for the Reaction PCl<sub>5</sub>(g)
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At 250ºC, the Equilibrium Constant Kp for the Reaction PCl5(g)

Question 52

Question 52

Multiple Choice

At 250ºC, the equilibrium constant Kp for the reaction PCl5(g) At 250ºC, the equilibrium constant K<sub>p</sub> for the reaction PCl<sub>5</sub>(g)    <sub> </sub> <sub> </sub>PCl<sub>3</sub>(g) + Cl<sub>2</sub>(g) is 1.80.Sufficient PCl<sub>5</sub> is put into a reaction vessel to give an initial pressure of 2.74 atm at 250ºC.Calculate the pressure of PCl<sub>5</sub> after the system has reached equilibrium. A) 1.50 atm B) 1.24 atm C) 4.24 atm D) 0.94 atm E) 1.12 atm PCl3(g) + Cl2(g) is 1.80.Sufficient PCl5 is put into a reaction vessel to give an initial pressure of 2.74 atm at 250ºC.Calculate the pressure of PCl5 after the system has reached equilibrium.


A) 1.50 atm
B) 1.24 atm
C) 4.24 atm
D) 0.94 atm
E) 1.12 atm

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