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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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janeniz janeniz
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6 months ago
When 18.5 g of HgO(s) is decomposed to form Hg(l) and O2(g), 7.75 kJ of heat is absorbed at standard-state conditions.  What is the standard enthalpy of formation (ΔH°f) of HgO(s)?

▸ –90.7 kJ/mol

▸ –7.75 kJ/mol

▸ 0.419 kJ/mol

▸ 27.9  kJ/mol

▸ 143 kJ/mol
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Chemistry

Chemistry


Edition: 11th
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kuteemekuteeme
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