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Based on the Ellingham diagram below, which metal is least stable at 400°C

Based on the Ellingham diagram below, which metal is least stable at 400°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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Based on the Ellingham diagram below, which metal is least stable at 400°C H,/H,0 CO/Co, 108 8 10 106 9- 10 10 10 102 M -200 4Fe,0,+ 0, 6Fe,0, 4Cu +O, = 2Cu,0 2Co+ 0, 2C00 102 2Ni + 0, = 2NIO 2CO 0, 2CO. 24, 0, 2H0 10 -400 + 0, ZFe,Or 2Fe+ 0, 2FeO M 10 106 10 M 2Zn + 0, 2Zn0 %Cr + 0,Cr,0, -600 108 2Mn + 0, 2MNO 10 M M 2C+p, = 2C0 1010 10 -800 Si + 0, = SiO; Ti +02 TiO 10 1012 Al + 0, = ,AL0, -1000- 1014 10 B. 2Ca + 0, = 2CaO 10 1016 Change of state Melting point Boiling point 2Mg + 0, 2M90 M. Metal Oxide -1200 OK 0 Y1018 ro M B. 400 800 1010 CO/CO, Hy/H,O 1200 T/°C 1600 1020 2000 2400 Pa /atm 1014 1012 102 1022 100 10100 1050 1030 1024 AG° = RT Imp /kJmol'o, HC
Transcribed Image Text:Based on the Ellingham diagram below, which metal is least stable at 400°C H,/H,0 CO/Co, 108 8 10 106 9- 10 10 10 102 M -200 4Fe,0,+ 0, 6Fe,0, 4Cu +O, = 2Cu,0 2Co+ 0, 2C00 102 2Ni + 0, = 2NIO 2CO 0, 2CO. 24, 0, 2H0 10 -400 + 0, ZFe,Or 2Fe+ 0, 2FeO M 10 106 10 M 2Zn + 0, 2Zn0 %Cr + 0,Cr,0, -600 108 2Mn + 0, 2MNO 10 M M 2C+p, = 2C0 1010 10 -800 Si + 0, = SiO; Ti +02 TiO 10 1012 Al + 0, = ,AL0, -1000- 1014 10 B. 2Ca + 0, = 2CaO 10 1016 Change of state Melting point Boiling point 2Mg + 0, 2M90 M. Metal Oxide -1200 OK 0 Y1018 ro M B. 400 800 1010 CO/CO, Hy/H,O 1200 T/°C 1600 1020 2000 2400 Pa /atm 1014 1012 102 1022 100 10100 1050 1030 1024 AG° = RT Imp /kJmol'o, HC
22 -600 M. 2Mn + 0, 2Mn M M. M 2C+p, 2C0 1010 10 -800 Si + 02 = SiO2 Ti +0, TiO, 1012 10 %AI + 0, = Al,0, 1014 10 M -1000 B. M. 2Ca + 0, 2Cao 10 Y1016 %3D Change of state Melting point Boiling point 2Mg + 0, 2M90 Metal Oxide Y1018 L08 M. -1200 OK B 400 800 1010 1200 T/°C 1600 1020 CO/CO, H/H,0 2000 2400 1014 y1022 1010 Po/ atm 1012 102 10100 10 50 10 30 1024 O a. Ti O b. Mg Ос. Са O d. Al AG° = RT Imp 2/kImolo,
Transcribed Image Text:22 -600 M. 2Mn + 0, 2Mn M M. M 2C+p, 2C0 1010 10 -800 Si + 02 = SiO2 Ti +0, TiO, 1012 10 %AI + 0, = Al,0, 1014 10 M -1000 B. M. 2Ca + 0, 2Cao 10 Y1016 %3D Change of state Melting point Boiling point 2Mg + 0, 2M90 Metal Oxide Y1018 L08 M. -1200 OK B 400 800 1010 1200 T/°C 1600 1020 CO/CO, H/H,0 2000 2400 1014 y1022 1010 Po/ atm 1012 102 10100 10 50 10 30 1024 O a. Ti O b. Mg Ос. Са O d. Al AG° = RT Imp 2/kImolo,
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