The Gibbs energy for the decomposition of `Al_2 O_3` at `2/3 Al_2O_3 rarr 4/3 Al = O_2 Delta_r G = + 966 k J "mol"^(-1)`
The potential differnce needed for electrolytic reduction 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 Al_(2)O_(3) rarr 4/3 Al + O_(2), Delta_(r)G= +966 "kJ mol"^(-1) The potential difference needed for electrolytic reduction of Al_(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

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 reduction 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)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)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)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: