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

question 77

Multiple Choice

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?

• A) 13.4 kJ
• B) 90.8 kJ
• C) 571 kJ
• D) 14.4 kJ
• E) 2.90× 10³ kJ

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