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What Is E°cell for a Galvanic Cell Represented by the Combination

Question 102

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What is E°cell for a galvanic cell represented by the combination of the following half-reactions? 2Hg2+(aq) + 2e-
What is E°<sub>cell</sub> for a galvanic cell represented by the combination of the following half-reactions? 2Hg<sup>2+</sup>(aq) + 2e<sup>-</sup> <sup> </sup> Hg<sub>2</sub><sup>2+</sup>(aq) E°= 0.92V Cr<sup>3+</sup>(aq) + 3e<sup>-</sup> Cr(s) E°= -0.74V A) -0.18 V B) 0.18 V C) 1.28 V D) 1.66 V E) 2.12 V Hg22+(aq) E°= 0.92V
Cr3+(aq) + What is E°<sub>cell</sub> for a galvanic cell represented by the combination of the following half-reactions? 2Hg<sup>2+</sup>(aq) + 2e<sup>-</sup> <sup> </sup> Hg<sub>2</sub><sup>2+</sup>(aq) E°= 0.92V Cr<sup>3+</sup>(aq) + 3e<sup>-</sup> Cr(s) E°= -0.74V A) -0.18 V B) 0.18 V C) 1.28 V D) 1.66 V E) 2.12 V 3e- Cr(s) E°= -0.74V


A) -0.18 V
B) 0.18 V
C) 1.28 V
D) 1.66 V
E) 2.12 V

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