Question: Carbon dioxide from the atmosphere weathers, or dissolves, limestone (CaCO3) by the reaction CaCO3(s) + CO2(g) + H2O(l ) CA2+(aq) + 2HCO3(aq) Obtain Ho

Carbon dioxide from the atmosphere “weathers,” or dissolves, limestone (CaCO3) by the reaction
CaCO3(s) + CO2(g) + H2O(l ) → CA2+(aq) + 2HCO3(aq)
Obtain ∆Ho for this reaction. See Table 6.2 for the data.

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