jentri14 jentri14 25-10-2022 Chemistry Answered Given the reactions, X(s)+12O2(g)⟶XO(s) Δ=−850.5 kJ XCO3(s)⟶XO(s)+CO2(g)Δ=+497.3 kJ what is Δ for this reaction? X(s)+12O2(g)+CO2(g)⟶XCO3(s)