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How will equilibrium of the reaction, H(...

How will equilibrium of the reaction, `H_(2)(g)+I_(2)(g)hArr 2HI(g)` be affected if the volume of the reaction syste at equilibrium is doubled keeping the temperature constant?

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Doubling the volume of the reaction systemm at equilibrium will reduce the total pressure of the system by half. But for the reaction `Deltan=0`, so, according to Le chatelier's principle, the equilibrium of the reaction will not be affected by change in pressure.
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