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Calculate the mass of mercury which can ...

Calculate the mass of mercury which can be liberated from HgO at `25^(@)`C by the treatment of excess of HgO with 41.85 KJ of heat at (a) constant pressure and (b) constant volume conditions : Given `DeltaH_(f)^(o)` [HgO(s)] = –90.8 KJ/mole, M(Hg) = 200.6 gm/mole.

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