23) At 400 K, the equilibrium constant for the reaction Br2 (g) + Cl2 (g) 2BrCl

Question

23) At 400 K, the equilibrium constant for the reaction Br2 (g)  +  Cl2 (g)     2BrCl (g) is Kp = 7.0.  A closed vessel at 400 K is charged with 1.00 atm of Br2 (g), 1.00 atm of Cl2 (g), and 2.00 atm of BrCl (g). Use Q to determine which of the statements below is true. A) The equilibrium partial pressures of Br2, Cl2, and BrCl will be the same as the initial values. B) The equilibrium partial pressure of Br2 will be greater than 1.00 atm. C) The equilibrium partial pressure of BrCl (g) will be greater than 2.00 atm. D) At equilibrium, the total pressure in the vessel will be less than the initial total pressure. E) The reaction will go to completion since there are equal amounts of Br2 and Cl2 Could you please explain? Thank you!

Explanation / Answer

C) The equilibrium partial pressure of BrCl (g) will be greater than 2.00 atm.

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