Consider the reacton of bromine and chlorine gas to form BrCl where Kp=1.11X10^-4 at 150K. A...

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Chemistry

Consider the reacton of bromine and chlorine gas to form BrClwhere Kp=1.11X10^-4 at 150K. A reaction mixture initially containsa bromine partial pressure of 755 torr and a chlorine partialpressure of 735torr at 150K. Calculate the equilibrium partialpressure of BrCl at 25oC

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4.5 Ratings (881 Votes)

                   Br2 + Cl2 -----------> 2BrCl

      I          755     735                  0

      C         -x      -x                    2x

      E      755-x   735-x              2x

               kp   = P2BrCl/PBr2 PCl2

             1.11*10-4 = (2x)2/(755-x)(735-x)

            1.11*10-4 *(755-x)(735-x)   = 4x2

                  x   = 3.9

             [BrCl] = 2x = 2*3.9 = 7.8torr


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