CaCO3(s)→ CaO(s) + CO₂(g) g standard thermodynamic data at 298 K, calculate the free energy change when 2.21 moles of CaCO3(s) react at dard conditions. . xn Substance AG (kJ/mol) CaCO3(s) -1128.8 CaO(s) -604.0 CO₂(g) -394.4 = kJ

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