(a) Take [Fe2-] = [Fe3+] = 102 mol/litre. Calculate logPO2 at pH = 1 for the following reactions: (i) (i) %3D 2Fe + 4H+ + O2 2FE2+ + 2H2O 4FE2+ +4H* + O2 4FE3+ + 2H20 Data: R = 8.314Jmol-1K-1, T = 298K

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(a) Take [Fe2+] = [Fe3+] = 10-2 mol/litre. Calculate logPO2 at pH = 1 for the following reactions:
(i)
(i)
2Fe + 4H+ + O2 2FE2+ + 2H20
4FE2+ +4H* + O2 → 4FE3+ + 2H2O
Data: R = 8.314Jmol-1K-1, T = 298K
Gibbs energy of formation data.
AGr (KJ mol1)
Species
Fe (s)
Fe2+ (aq)
Fe3- (aq)
H2O (1)
H*(aq)
Ог (9)
-85.0
-10.5
- 237
Transcribed Image Text:(a) Take [Fe2+] = [Fe3+] = 10-2 mol/litre. Calculate logPO2 at pH = 1 for the following reactions: (i) (i) 2Fe + 4H+ + O2 2FE2+ + 2H20 4FE2+ +4H* + O2 → 4FE3+ + 2H2O Data: R = 8.314Jmol-1K-1, T = 298K Gibbs energy of formation data. AGr (KJ mol1) Species Fe (s) Fe2+ (aq) Fe3- (aq) H2O (1) H*(aq) Ог (9) -85.0 -10.5 - 237
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