Given Al3+(aq) + 3 e → Al(s) Sn4+(ag) + 2e → Sn2+(aq) E° = -1.66V E° = 0.15V, what is the standard free-energy change for the following reaction at 25°C (F=96,500J/V mole e)? 2Al(s) + 3Sn4+(aq,1M) → 2A13+(aq,1M) + 3Sn2+(aq, 1M) 1.05 x 10° kJ/mol 3.50 x 103 kJ/mol -1.05 x 103 kJ/mol -3.50 x 103 kJ/mol

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Given Al3+(aq) + 3 e → Al(s)
Sn4+(ag) + 2e → Sn2+(aq)
E° = -1.66V
E° = 0.15V,
what is the standard free-energy change for the following reaction at 25°C
(F=96,500J/V mole e)?
2Al(s) + 3Sn4+(aq,1M) → 2A13+(aq,1M) + 3Sn2+(aq, 1M)
1.05 x 103 kJ/mol
3.50 x 103 kJ/mol
-1.05 x 103 kJ/mol
-3.50 x 103 kJ/mol
Transcribed Image Text:Given Al3+(aq) + 3 e → Al(s) Sn4+(ag) + 2e → Sn2+(aq) E° = -1.66V E° = 0.15V, what is the standard free-energy change for the following reaction at 25°C (F=96,500J/V mole e)? 2Al(s) + 3Sn4+(aq,1M) → 2A13+(aq,1M) + 3Sn2+(aq, 1M) 1.05 x 103 kJ/mol 3.50 x 103 kJ/mol -1.05 x 103 kJ/mol -3.50 x 103 kJ/mol
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