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    Exam 19: Electrochemistry
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    Given: Zn<sup>2+</sup>(aq)+ 2e<sup>-</Sup> Zn(s); E° = -0.76 V
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Given: Zn2+(aq)+ 2e- Zn(s); E° = -0.76 V

Question 121

Question 121

Multiple Choice

Given:
Zn2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V What is the cell potential of the following electrochemical cell at 25°C? Zn(s) | Zn<sup>2+</sup>(1.0 M) || Cu<sup>2+</sup>(0.0010 M) | Cu(s)  A) between 0.34 and 0.76 V B) less than 0.42 V C) between 0.00 and 0.76 V D) between 0.76 and 1.10 V E) greater than 1.10 VZn(s) ; E° = -0.76 V
Cu2+(aq) + 2e- Given: Zn<sup>2+</sup>(aq) + 2e<sup>-</sup>  Zn(s) ; E° = -0.76 V Cu<sup>2+</sup>(aq) + 2e<sup>-</sup>  Cu(s) ; E° = 0.34 V What is the cell potential of the following electrochemical cell at 25°C? Zn(s) | Zn<sup>2+</sup>(1.0 M) || Cu<sup>2+</sup>(0.0010 M) | Cu(s)  A) between 0.34 and 0.76 V B) less than 0.42 V C) between 0.00 and 0.76 V D) between 0.76 and 1.10 V E) greater than 1.10 VCu(s) ; E° = 0.34 V
What is the cell potential of the following electrochemical cell at 25°C?
Zn(s) | Zn2+(1.0 M) || Cu2+(0.0010 M) | Cu(s)


A) between 0.34 and 0.76 V
B) less than 0.42 V
C) between 0.00 and 0.76 V
D) between 0.76 and 1.10 V
E) greater than 1.10 V

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