Use this list of half-reactions to answer the following question(s).MnO4−(aq) + 8H+(aq) + 5e− Mn2+(aq) + 4H2O(l)+1.51 VCr2O72−(aq) + 6e− 2Cr3+(aq) + 7H2O(l)+1.33 VCu2+(aq) + 2e− Cu(s)+0.34 VPb2+(aq) + 2e− Pb(s)−0.13 VFe2+(aq) + 2e− Fe(s)−0.44 VAl3+(aq) + 3e− Al(s)−1.66 V Refer to Exhibit 17-1. How many different cells with E°cell in excess of +1.90 V can be constructed using the half-reactions given in the table? a.3 b.4 c.2 d.1 e.5

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Use this list of half-reactions to answer the following question(s).

MnO₄⁻(aq) + 8H⁺(aq) + 5e⁻ Mn²⁺(aq) + 4H₂O(l)	+1.51 V
Cr₂O₇²⁻(aq) + 6e⁻ 2Cr³⁺(aq) + 7H₂O(l)	+1.33 V
Cu²⁺(aq) + 2e⁻ Cu(s)	+0.34 V
Pb²⁺(aq) + 2e⁻ Pb(s)	−0.13 V
Fe²⁺(aq) + 2e⁻ Fe(s)	−0.44 V
Al³⁺(aq) + 3e⁻ Al(s)	−1.66 V

Refer to Exhibit 17-1. How many different cells with E°_cell in excess of +1.90 V can be constructed using the half-reactions given in the table?

	a.	3
	b.	4
	c.	2
	d.	1
	e.	5

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