Gibbs energy of formation of dolomite from electrochemical cell measurements and theoretical calculations

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ID: 305356
2001
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Abstract
New thermodynamic data are presented for the Gibbs energy of formation of dolomite (CaMg(CO~3~)~2(s)~). Using electrochemical cells, we find Δ*G~f~*°\[CaMg(CO~3~)~2(s)~)\] equal to −2147.82 kJ · mol^−1^. The performance of lattice energy calculations on dolomite, calcite, and magnesite yields a theoretical value of −2148.90 kJ · mol^−1^ for Δ*G~f~*° \[CaMg(CO~3~)~2(s)~)\]. Both our theoretical and experimental results show excellent agreement with drop calorimetry experiments done by Capobianco and Navrotsky (1987) which were used to determine the enthalpy of formation of dolomite from those of calcite and magnesite.
Reference Key
openalex_W2152656035 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Peter A. Rock
Journal american journal of science
Year 2001
DOI
10.2475/ajs.301.2.103
URL
https://doi.org/10.2475/ajs.301.2.103
Keywords Keywords not found

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