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Arrhenius Equation

10. estimate ...

Question

10. estimate the minimum potential difference needed to reduce Al2O3 at 500 C . the free energy change for decomposition reaction 2/3 Al2O3 -> 4/3 Al + O2 is 960KJ

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A l_{2} O_{3}

500^{o}

\frac{2}{3} A l_{2} O_{3} \to \frac{4}{3} A l + O_{2}

m o l^{- 1}

A l_{2} O_{3}

500^{\circ} C

\frac{2}{3} A l_{2} O_{3} \to \frac{4}{3} A l + O_{2}; △_{r} G = + 966 k J m o l^{- 1}

A l_{2} O_{3}

500^{\circ}

A l_{2} O_{3}

500

^{o} C

2 / 3 A l_{2} O_{3} \to 4 / 3 A l + O_{2}; Δ_{r} G = + 966

A l_{2} O_{3}

500^{o}

A l_{2} O_{3}

500^{0} C

\frac{2}{3} A l_{2} O_{3} \to \frac{4}{3} A l + O_{2}

Δ_{r x n} G = + 960 k J m o l^{- 1}

(A l_{2} O_{3})

500^{o} C

A l_{2} O_{3}

500^{o} C

Δ G = 960 k J

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