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: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter16: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 117CP
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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?
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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VIEWOverall reaction if 2 Mg(s) + O2(g) -> 2 MgO(s) is coupled with the reduction of FeO(s) to Fe(s).
VIEWChecking if the reaction is spontaneous at 800 degree Celsius
VIEWoverall reaction for the extraction of Fe when coupled with the oxidation of C(s) to CO(g)
VIEWoverall reaction for the extraction of Al when coupled with the oxidation of C(s) to CO(g)
VIEWoverall reaction for the extraction of Mg when coupled with the oxidation of C(s) to CO(g)
VIEWDetermining which metal can be extracted from its oxide at 1800 °C
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