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A Cell Can Be Prepared from Copper and Tin

Question 63

Multiple Choice

A cell can be prepared from copper and tin. What is the E°cell for the cell that forms from the following half-reactions?
Cu2+(aq) + 2e- A cell can be prepared from copper and tin. What is the E°<sub>cell</sub> for the cell that forms from the following half-reactions? Cu<sup>2+</sup>(aq) + 2e<sup>-</sup> Cu(s) E°<sup> </sup>= 0.34 V Sn<sup>4+</sup>(aq) + 2e<sup>- </sup> Sn<sup>2+</sup>(aq) E°<sup> </sup>= 0.13 V A) 0.47 V B) 0.21 V C) -0.21 V D) -0.47 V E) 0.42 V Cu(s) E° = 0.34 V
Sn4+(aq) + 2e- A cell can be prepared from copper and tin. What is the E°<sub>cell</sub> for the cell that forms from the following half-reactions? Cu<sup>2+</sup>(aq) + 2e<sup>-</sup> Cu(s) E°<sup> </sup>= 0.34 V Sn<sup>4+</sup>(aq) + 2e<sup>- </sup> Sn<sup>2+</sup>(aq) E°<sup> </sup>= 0.13 V A) 0.47 V B) 0.21 V C) -0.21 V D) -0.47 V E) 0.42 V Sn2+(aq) E° = 0.13 V


A) 0.47 V
B) 0.21 V
C) -0.21 V
D) -0.47 V
E) 0.42 V

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