Verify your calculation. Metals Oxidation half-reaction Zinc and copper Zinc and silver Zinc and lead Zinc and nickel Copper and silver Copper and lead Copper and nickel Silver and lead Silver and nickel Lead and nickel Ni→ Zn→ Zn2+ + 2e Zn → Zn²+ + 2e- Zn→ Zn2+ + 2e- Zn→ Zn2+ + 2e- Ni²+ + 2e¯ → Ni Cu → Cu²+ + 2e- Ag* + e → Ag Reduction half-reaction Cu2+ + 2e → Cu Ag* + e¯ → Ag Pb2+ + 2e →→ Pb Overall reaction Zn(s) + Cu²+(aq) → Zn2+(aq) + Cu(s) Zn(s) + 2Ag+(aq) → Zn²+(aq) + 2Ag(s) Zn(s) + Pb²+(aq) → Zn²+(aq) + Pb(s) Zn(s) + Ni²+(aq) → Zn²+(aq) + Ni(s) Cu(s) + 2Ag+(aq) → Cu²+(aq) + 2Ag(s) Standard cell potential (V) 1.10 1.56 0.63 0.51 0.46 Pb-Pb2+ + 2e- Cu2+ + 2e→ Cu Pb(s) + Cu²+(aq) → Pb²+(aq) + Cu(s) 0.47 → Ni²+ + 2e Cu2+ + 2e→ Cu Pb → Pb²+ + 2e- Ag+ + e → Ag Ni → Ni²+ + 2e Ni→ Ni²+ + 2e- Ag+ + e → Ag Pb2+ + 2e¯ → Pb Ni(s) + Cu²+(aq) → Ni²+(aq) + Cu(s) Pb(s) + 2Ag*(aq) → Pb²+(aq) + 2Ag(s) Ni(s) + 2Ag+(aq) → Ni²+(aq) + 2Ag(s) Ni(s) + Pb²+(aq) → Ni²+(aq) + Pb(s) 0.59 0.93 1.05 0.12 Copper(II) sulfate solutions 1 M and 0.5 M 1 M and 0.1 M Reaction quotient (Q) Cell potential (mv) 0.5 8.9 0.1 29.4 1 M and 0.05 M 1 M and 0.01 M 1 Mand 0.001 M 0.05 38.3 0.01 58.5 0.001 88.0 Slope -29.28 Unknown cell potential (mV) 34.4 Concentration of unknown (M)
Verify your calculation. Metals Oxidation half-reaction Zinc and copper Zinc and silver Zinc and lead Zinc and nickel Copper and silver Copper and lead Copper and nickel Silver and lead Silver and nickel Lead and nickel Ni→ Zn→ Zn2+ + 2e Zn → Zn²+ + 2e- Zn→ Zn2+ + 2e- Zn→ Zn2+ + 2e- Ni²+ + 2e¯ → Ni Cu → Cu²+ + 2e- Ag* + e → Ag Reduction half-reaction Cu2+ + 2e → Cu Ag* + e¯ → Ag Pb2+ + 2e →→ Pb Overall reaction Zn(s) + Cu²+(aq) → Zn2+(aq) + Cu(s) Zn(s) + 2Ag+(aq) → Zn²+(aq) + 2Ag(s) Zn(s) + Pb²+(aq) → Zn²+(aq) + Pb(s) Zn(s) + Ni²+(aq) → Zn²+(aq) + Ni(s) Cu(s) + 2Ag+(aq) → Cu²+(aq) + 2Ag(s) Standard cell potential (V) 1.10 1.56 0.63 0.51 0.46 Pb-Pb2+ + 2e- Cu2+ + 2e→ Cu Pb(s) + Cu²+(aq) → Pb²+(aq) + Cu(s) 0.47 → Ni²+ + 2e Cu2+ + 2e→ Cu Pb → Pb²+ + 2e- Ag+ + e → Ag Ni → Ni²+ + 2e Ni→ Ni²+ + 2e- Ag+ + e → Ag Pb2+ + 2e¯ → Pb Ni(s) + Cu²+(aq) → Ni²+(aq) + Cu(s) Pb(s) + 2Ag*(aq) → Pb²+(aq) + 2Ag(s) Ni(s) + 2Ag+(aq) → Ni²+(aq) + 2Ag(s) Ni(s) + Pb²+(aq) → Ni²+(aq) + Pb(s) 0.59 0.93 1.05 0.12 Copper(II) sulfate solutions 1 M and 0.5 M 1 M and 0.1 M Reaction quotient (Q) Cell potential (mv) 0.5 8.9 0.1 29.4 1 M and 0.05 M 1 M and 0.01 M 1 Mand 0.001 M 0.05 38.3 0.01 58.5 0.001 88.0 Slope -29.28 Unknown cell potential (mV) 34.4 Concentration of unknown (M)
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.103QE
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