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For the reaction 2A(g)⇌B(g)+2C(g), a reaction vessel initially contains only A at a pressure of PA=270 mmHg...

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Chemistry

For the reaction 2A(g)⇌B(g)+2C(g), areaction vessel initially contains only A at a pressure ofPA=270 mmHg . At equilibrium, PA=55 mmHg .

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3.9 Ratings (737 Votes)

                       2A(g) ⇌ B(g) + 2C(g),

        I               270         0            0

        C              -2x        x             2x

         E            270-2x      x            2x

                  PA   = 270-2x   = 55  

                     x = 107.5

                 PB   = x    = 107.5 mmHg

                   PC = 2x   = 2*1.07.5   = 215mmHg

              Kp    = PB* P^2C/P^2A

                     = 107.5 * (215)^2/(55)^2   = 1642.7 >>>answer
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