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If the Cell Is Initially at Standard-State Conditions,which of the Following

Question 80

Multiple Choice

If the cell is initially at standard-state conditions,which of the following statements is true? If the cell is initially at standard-state conditions,which of the following statements is true? 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 A) Initially K<sub>c</sub> = 2 × 10<sup>-37</sup>,and it decreases with time. B) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it does not change with time. C) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it decreases with time. D) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it increases with time. E) Initially K<sub>c</sub> = 2 × 10<sup>-37</sup>,and it increases with time. Zn2+(aq) + 2e- If the cell is initially at standard-state conditions,which of the following statements is true? 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 A) Initially K<sub>c</sub> = 2 × 10<sup>-37</sup>,and it decreases with time. B) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it does not change with time. C) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it decreases with time. D) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it increases with time. E) Initially K<sub>c</sub> = 2 × 10<sup>-37</sup>,and it increases with time.Zn(s) ; E° = -0.76 V
Cu2+(aq) + 2e- If the cell is initially at standard-state conditions,which of the following statements is true? 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 A) Initially K<sub>c</sub> = 2 × 10<sup>-37</sup>,and it decreases with time. B) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it does not change with time. C) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it decreases with time. D) Initially K<sub>c</sub> = 2 × 10<sup>37</sup>,and it increases with time. E) Initially K<sub>c</sub> = 2 × 10<sup>-37</sup>,and it increases with time.Cu(s) ; E° = 0.34 V


A) Initially Kc = 2 × 10-37,and it decreases with time.
B) Initially Kc = 2 × 1037,and it does not change with time.
C) Initially Kc = 2 × 1037,and it decreases with time.
D) Initially Kc = 2 × 1037,and it increases with time.
E) Initially Kc = 2 × 10-37,and it increases with time.

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