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Given the Ellingham diagram, write the overall reaction if 2 Mg(s) + O2(g) -> 2 MgO(s) is coupled with the reduction of FeO(s) to Fe(s). Is the overall reaction spontaneous at 800 °C? Justify your answer. Also, write the overall reaction for the extraction of (1) Fe, (2) Al, and (3) Mg from their corresponding metal oxides when coupled with the oxidation of C(s) to CO(g). Which of these metals can be extracted from its oxide at 1800 °C?

Given the Ellingham diagram, write the overall reaction if 2 Mg(s) + O2(g) -> 2 MgO(s) is coupled with the reduction of FeO(s) to Fe(s). Is the overall reaction spontaneous at 800 °C? Justify your answer. Also, write the overall reaction for the extraction of (1) Fe, (2) Al, and (3) Mg from their corresponding metal oxides when coupled with the oxidation of C(s) to CO(g). Which of these metals can be extracted from its oxide at 1800 °C?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Given the Ellingham diagram, write the overall reaction if 2 Mg(s) + O2(g) -> 2 MgO(s) is coupled with the reduction of FeO(s) to Fe(s). Is the overall reaction spontaneous at 800 °C? Justify your answer. Also, write the overall reaction for the extraction of (1) Fe, (2) Al, and (3) Mg from their corresponding metal oxides when coupled with the oxidation of C(s) to CO(g). Which of these metals can be extracted from its oxide at 1800 °C?



-200 2 Fe + 02→2 FeO 2 C + 0, — 2 Со -300- -400 -500- -600 -700 -800 -900 4/3 Al + O2 → 2/3 Al,O, -1000- -1100- 2 Mg + O2 → 2 MgO -1200- 400 800 1200 1600 Temperature (°C) AG° (kJ/mole O2)
Transcribed Image Text:-200 2 Fe + 02→2 FeO 2 C + 0, — 2 Со -300- -400 -500- -600 -700 -800 -900 4/3 Al + O2 → 2/3 Al,O, -1000- -1100- 2 Mg + O2 → 2 MgO -1200- 400 800 1200 1600 Temperature (°C) AG° (kJ/mole O2)
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