What is the process of decomposition of limestone?
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In limestone calcination, a decomposition process, the chemical reaction is CaCO3 → CaO + CO2(g) The standard Gibbs free energy of reaction is approximated as ΔG°r ≈ 177,100 − 158 T (J/mol). The standard free energy of reaction is 0 in this case when the temperature, T, is equal to 1121 K, or 848 °C.
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