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Question & Answer: A galvanic cell at a temperature of 25.0 degree C is powered by the following redox reaction:…..

ELECTROCHEMISTRY - Using the Nernst equation to calculate nonstandard cell. A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2+ sn (aq) + Ba (s)-→ Suppose the cell is prepared with 0.224M Sn2+in one half-cell and 0.164M Ba2 in the other Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. 2

A galvanic cell at a temperature of 25.0 degree C is powered by the following redox reaction: Sn^2+ (aq) + Ba(s) rightarrow Sn(s) Ba^2+(aq) Suppose the cell is prepared with 0.224M Sn^2+ in one half-cell and 0.164M Ba^2+ in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits.

Expert Answer

Answer

$E^0_{cell} = E^0_{Sn} - E^0_{Ba}$

$E^0_{cell} = -0.136 : V - (-0.290 : V)$

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Question & Answer: A galvanic cell at a temperature of 25.0 degree C is powered by the following redox reaction:…..

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$E^0_{cell} = 0.154 : V$

$E_{cell} = E^0_{cell} - dfrac {0.0592}{n} log dfrac {[Ba^{2+}]}{[Sn^{2+}]}$

$E_{cell} = 0.154 : V - dfrac {0.0592}{2} log dfrac {0.164}{0.224}$

$E_{cell} = 0.158 : V$

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