Consider the voltaic cell at 25°C and 1 atm:
O2(g,0.98 atm) + 4H(aq.pH=1.24) + 4Braq,0.15 M)→ 2H₂O + 2Br2(1)
Solve:
a. Ecell
a. AG⁰
b. Q (search the internet how to calculate for the Reaction Quotient)
Answers
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Explanation:
To calculate the equilibrium constant for an electrochemical cell we need to know: the standard state potential for a cell. the half-reactions involved.
...
Zn(s) Zn2+(aq) + 2 e- Eooxidiation = + 0.762 volts
Cu2+(aq) + 2 e- Cu(s) Eoreduction = + 0.339 volts
Zn(s) + Cu2+(aq) Zn2+(aq) + Cu(s) Eocell = + 1.101 volts
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