Half-Reaction E (V) + Mn(s) Se" (ag) + 3e Se(a) Mn" (ag) + 2e -1.18 -2.08 Based on the reduction potentials given in the table above, which of the following gives the balanced chemical equation and the correct standard cell potential for a galvanic cell involving Se (aq) and Mn" (aq) ? A) 2 Sc" (ag) +3 Mn(s) 2 Sc(s) + 3 Mn" (ag) E = -0.90 V B) 2 Sc" (ag) + 3 Mn(s) = 2 Sc(s) + 3 Mn" (ag) E = -0.62 V c) 2 Se(a) + 3 Mn" (ag) 2 Se" (ag) + 3 Mn(s) E = +0.62 V 2 Sc(a) + 3 Mn (ag) 2 Se" (ag) + 3 Mn(s) E = +0.90 V O O O O
Half-Reaction E (V) + Mn(s) Se" (ag) + 3e Se(a) Mn" (ag) + 2e -1.18 -2.08 Based on the reduction potentials given in the table above, which of the following gives the balanced chemical equation and the correct standard cell potential for a galvanic cell involving Se (aq) and Mn" (aq) ? A) 2 Sc" (ag) +3 Mn(s) 2 Sc(s) + 3 Mn" (ag) E = -0.90 V B) 2 Sc" (ag) + 3 Mn(s) = 2 Sc(s) + 3 Mn" (ag) E = -0.62 V c) 2 Se(a) + 3 Mn" (ag) 2 Se" (ag) + 3 Mn(s) E = +0.62 V 2 Sc(a) + 3 Mn (ag) 2 Se" (ag) + 3 Mn(s) E = +0.90 V O O O O
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Based on the reduction potentials given in the table above, which of the following gives the balanced chemical equation and the correct standard cell potential for a galvanic cell involving Sc3+(aq) and Mn2+(aq)?
Transcribed Image Text:Half-Reaction
E (V)
Mn" (ag) + 2e + Mn(s)
Se" (ag) + 3 e- Se(s)
-1.18
-2.08
Based on the reduction potentials given in the table above, which of the following gives the balanced chemical equation and the correct standard cell potential for a galvanic cell involving Se* (ag) and Mn* (ag) ?
A) 2 Sc" (ag) + 3 Mn(s) 2 Se(s) + 3 Mn2" (aq) E = -0.90 V
B) 2 Sc* (ag) + 3 Mn(s) = 2 Sc(s) + 3 Mn" (aq) E" = -0.62 V
c) 2 Se(s) + 3 Mn+(ag) = 2 Se+ (ag) + 3 Mn(s) E = +0.62 V
D) 2 Sc(s) + 3 Mn2* (ag) = 2 Sc" (aq) + 3 Mn(s) E" = +0.90 V
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