Find ΔHrxn​ for the following reaction: 2CdS(s)+3O₂​(g)→2CdO(s)+2SO₂​(g). Use the following reactions with known ΔH values: 2H₂​S(g)+S(s,rhombic)→2CdO(s)+O₂​(g)+H₂S(g)ΔH=−442.4kJ O₂​(g)+H₂​S(g)→2S(s,rhombic)+SO₂​(g)ΔH=−296.8kJ CdS(s)+2H₂​O(g)→H₂​O(g)ΔH=−124.7kJ
A) ΔHᵣₓₙ​=186.1kJ
B) ΔHᵣₓₙ​=−186.1kJ
C) ΔHᵣₓₙ​=963.9kJ
D) ΔHᵣₓₙ​=−963.9kJ