Solid HgO, liquid Hg, and gaseous O2 are placed into a glass container and are allowed to reach equilibrium at a given temperature.                 2HgO (s) < -- > 2Hg (l) + O2 (g)       ΔH = 43.4 kJ The mass of HgO in the container could be decreased by __. a) adding more Hg b) removing some oxygen c) reducing the volume of the container d) increasing the temperature e) adding a catalyst

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