xy₂(g)⇔xy(g)+y(g)
Initial pressure of xy₂ is 600 mm Hg. The total pressure at equilibriun is 800 mm Hg. Assuming
volume of system to remain constant, The value of Kр is
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initial pressure a = 600 mm Hg
XY2 (g) --------------------------> XY(g) + Y(g)
at equilibrium a - x x x
at equilibrium total pressure ( a - x + x + x) =800 mm Hg
600 + x = 800
x = 200
Kp = Pxy * Py / Pxy2
= 200 * 200 / 400
= 100 mm Hg
= 100 / 760 atm
= 0.132 atm
XY2 (g) --------------------------> XY(g) + Y(g)
at equilibrium a - x x x
at equilibrium total pressure ( a - x + x + x) =800 mm Hg
600 + x = 800
x = 200
Kp = Pxy * Py / Pxy2
= 200 * 200 / 400
= 100 mm Hg
= 100 / 760 atm
= 0.132 atm
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