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answerhappygod
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by answerhappygod »
Given the reactions,
X(s)+12O2(g)⟶XO(s) Δ𝐻=−838.9 kJ
XCO3(s)⟶XO(s)+CO2(g)Δ𝐻=+473.1 kJ
what is Δ𝐻 for this reaction? X(s)+12O2(g)+CO2(g)⟶XCO3(s)
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