Question: Given the data in the table below, H rxn for the reaction 2Ag 2 S (s) + O 2 (g) 2Ag 2 O (s)

Given the data in the table below, ΔH° rxn for the reaction

2Ag 2 S (s) + O 2 (g)  → 2Ag 2 O (s) + 2S (s)

is ________ kJ.

Substance Δ H ∘f(kJ/mol)
Ag 2 O (s) -31.0
Ag 2 S (s) -32.6
H 2 S (g) -20.6
H 2 O (l) -286

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