Question

1) Calculate the cell potential, E°cell, for the following electrochemical reaction. Cu(s) + I2(g) → Cu+2(aq)...

1) Calculate the cell potential, E°cell, for the following electrochemical reaction.

Cu(s) + I2(g) → Cu+2(aq) + 2I-1(aq) E = ?

a.-0.87 V

b.-0.19 V

c.0.19 V

d.0.87 V

2) Calculate the equilibrium constant (Keq) for the following reaction at 25 °C? (Faraday's Constant = 96,500 J / V · mol) & (R = 8.314 J / mol · K)

2Fe+3(aq) + Sn+2(aq) → 2Fe+2(aq) + Sn+4(aq) K = ?

a.

4.04 x 107

b.

3.44 x 1018

c.

4.48 x 1021

d.

3.11 x 1030

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Answer #1

. Given, Cu(s) + I2 (9) cut2 (aa) +2 I (aq) step-1 write the TER oxidation and reduction half ron for the cell half Yeaction

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