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Diagramas de Ellingham - metalurgia-uda

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Aspectos termodinámicos <strong>de</strong> la extracción<br />

ΔG 0 < 0 y K > 1<br />

ΔG 0 = -RT lnK<br />

Reacción “ favorable”<br />

(a) C (s) + ½ O 2 (g) → CO (g) ΔG 0 (C, CO)<br />

(b) ½ C (S) + ½ O 2 (g) → ½CO 2 (g) ΔG 0 (C, CO2)<br />

(c) CO (g) + ½ O 2 (g) → CO 2 (g) ΔG 0 (CO, CO2)<br />

(d) xM ( sólido o líquido) + ½ O 2 (g) → M x O (s) ΔG0 (M, MxO)

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