The Gibbs energy for the decomposition of `Al_(2)O_(3)` at `500^(@)C` is as follows:
`(2)/(3)Al_(2)O_(3) rarr (4)/(3)Al + O_(2), Delta_(r)G = +966kJ mol^(-1)`
The potential difference needed for electrolytic reeduction of `Al_(2)O_(3)` at `500^(@)C` is at least:

The Gibbs energy for the decomposition of Al_(2)O_(3) at 500^(@)C is as follows (2)/(3)A1_(2)O_(3)to (4)/(3) Al+O_(2), Delta_(r) G = + 966KJmol^(-1) The potential difference needed for electrolytic reduction of Al_(2)O_(3) at 500^(@) is at least :

The Gibbs energy for the decomposition of Al_(2)O_(3) at 500^(@)C is as follow : (2)/(3)Al_(2)O_(3) rarr (4)/(3)Al+O_(2), Delta_(r)G= +960 kJ mol^(-1) The potential difference needed for the electrolytic reduction of aluminium oxide (Al_(2)O_(3)) at 500^(@)C is

The Gibbs energy for the decomposition of Al_(2)O_(3) at 500^(@)C is as follows : (2)/(3)Al_(2)O_(3)rarr (4)/(3)Al+O_(2), Delta_(r)G=+"960 kJ.mol"^(-1) . The potential difference needed for the electrolytic reduction of aluminium oxide (Al_(2)O_(3)) at 500^(@)C is at least -

The Gibbs energy for the decomposition of Al_(2),O_(3) , at 500^(@) C is as follows: 2/3 AI_(2)O_(3)rarr 4/3 AI+O_(2), triangle_(r )G =|966 kj mol^(-1) The potential difference needed for the electrolytic reduction of AI_(2)O_(3) at 500^(@) C is at least:

For 2/3Al_(2)O_(3)rarr 4/3Al+O_(2)DeltaG=-966 KJ at 500^(@)C The potential difference needed fo relectrolytic reduction of Al_(2)O_(3) at 500^(@)C is at least