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The following equilibrium is established...

The following equilibrium is established during thermal dissociation of `H_2O (g)` in a closed vessel `H_2O (g)overset(rightarrow)(leftarrow)H_2(g)+1//2 O_2(g) `If the total pressure, equilibrium constant and degree of dissociation is 'P',‘K_P’ and x, then show that, `K_P =(x^(3//2)P^(1//2))/((1-x)(2+x)^(1/2))`

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