a. Balance the following oxidation-reduction reaction by the half-reaction method. (Use the lowest possible coefficients for the reaction.) CuCl2 (aq) + Zn(s) → Cu(s) + ZnCl2 (ag) |CuCl2 (aq) + 1 Zn(s) Cu(s) + ZnCl2 (ag) 1 1 b. Balance the following oxidation-reduction reaction by the half-reaction method. (Use the lowest possible coefficients for the reaction.) H2 (g) + Ni?+ (aq) > Ni(s) + H* (aq) H2 (g) + Ni²+ (aq) Ni(s) + H(aq) 1 1 2 item attempts remaining Submit Answer Try Another Version

Chemistry
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Am I correct and what is Ni?

a. Balance the following oxidation-reduction reaction by the half-reaction method.
(Use the lowest possible coefficients for the reaction.)
CuCl2 (aq) + Zn(s) → Cu(s) + ZnCl2 (aq)
CuCl2 (aq) + 1
1 Cu(s) +
ZnCl2 (ag)
1
→
1
b. Balance the following oxidation-reduction reaction by the half-reaction method.
(Use the lowest possible coefficients for the reaction.)
H2 (g) + Ni?+ (aq) → Ni(s) + H* (aq)
H2 (g) +
Ni²+(ag) -
Ni(s) +2 H* (aq)
1.
Try Another Version
2 item attempts remaining
Submit Answer
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Transcribed Image Text:a. Balance the following oxidation-reduction reaction by the half-reaction method. (Use the lowest possible coefficients for the reaction.) CuCl2 (aq) + Zn(s) → Cu(s) + ZnCl2 (aq) CuCl2 (aq) + 1 1 Cu(s) + ZnCl2 (ag) 1 → 1 b. Balance the following oxidation-reduction reaction by the half-reaction method. (Use the lowest possible coefficients for the reaction.) H2 (g) + Ni?+ (aq) → Ni(s) + H* (aq) H2 (g) + Ni²+(ag) - Ni(s) +2 H* (aq) 1. Try Another Version 2 item attempts remaining Submit Answer 1
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