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[" 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=+966kJmol^(-1)],[" The potential difference needed for electrolytic reduction "],[" of "Al_(2)O_(3)" at "500^(@)C" is at least "],[[" (a) "4.5V," (b) "3.0V],[" (c) "2.5V," (d) "5.0V]]

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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:

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)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 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 :

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 -