The ΔH value for the reaction (1/2)O₂(g) + Hg(l) → HgO(s) is -90.8 kJ. How much heat is released when 31.9g of Hg is reacted with oxygen?

Name: The ΔH value for the reaction (1/2)O 2 (g) + Hg(l) → HgO(s) is -90.8 kJ. How much heat is released when 31.9g of Hg is reacted with oxygen?
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Question

Quizplus · Accepted Answer

The molar mass of Hg is 200.59 g/mol. 31.9 g of Hg corresponds to 31.9 / 200.59 = 0.159 mol. Since the reaction releases 90.8 kJ per mole of Hg, the heat released for 0.159 mol is 0.159 * 90.8 = 14.4 kJ.

The ΔH Value for the Reaction (1/2)O2(g) + Hg(l) →

The ΔH Value for the Reaction (1/2)O₂(g) + Hg(l) →