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For the reaction Al2O3(s)Al(s)+O2(g) where Ho=1676kJ/molAl, what is the enthalpy required (in kJ ) to produce 4.0g of O2 ? A. 52 B. 210 C.

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For the reaction Al2O3(s)Al(s)+O2(g) where Ho=1676kJ/molAl, what is the enthalpy required (in kJ ) to produce 4.0g of O2 ? A. 52 B. 210 C. 140 D. 280 E. None of these answers

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