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At temperature T, a compound AB2(g) diss...

At temperature T, a compound `AB_2(g)` dissociation according to the reaction, `2AB _2(g) hArr 2AB(g) +B_2(g)` with degree of dissociation, `alpha`, which is small compared to unity . Deduce the expression for `alpha` in terms of the equilibrium constant `K_p` and the total pressure P.

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`x = ((2K_p)/(p))^(1//3)`
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