b) Indicate whether or not H+ ions are capable of oxidizing at standard state conditions? Pb to Pb²+ Hg to Hg²+ Fe to Fe²+ Ni to Ni²+ Ba to Ba²+ ✓Zn to Zn(OH)₂ Cr to Cr³+ ✓ Au to Au³+

Chemistry: An Atoms First Approach
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Chapter17: Electrochemistry
Section: Chapter Questions
Problem 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
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b) Indicate whether or not H+ ions are capable of oxidizing at standard state
conditions?
Pb to Pb²+
Hg to Hg²+
Fe to Fe²+
Ni to Ni²+
Ba to Ba²+
✓Zn to Zn(OH)₂
Cr to Cr³+
✓ Au to Au³+
A voltaic cell is composed of the following 2 half reactions:
Sn²+ (aq) + 2e → Sn(s)
Ell
= - 0.136 V
Cu²+ (aq) + 2eCu(s)
E = 0.342 V
cell
Determine the non-standard state Ecell at 298 K when Sn²+ (aq) = 0.317 M and
Cu²+ (aq) = 0.812 M.
Determine the Ell of a voltaic cell composed of Hg(s) in a 1.00 M solution of
Hg²+, and Cd(s) in a 1.00 M solution of Cd²+ at 25.00°C.
Hg(s)/Hg²+ Eº = 0.851 V
Cd(s)/Cd²+
Eº = -0.403 V
V
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What is the oxidation number on 0 in the following compound? MgO₂ (Positive
numbers do not need to contain a +).
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Transcribed Image Text:b) Indicate whether or not H+ ions are capable of oxidizing at standard state conditions? Pb to Pb²+ Hg to Hg²+ Fe to Fe²+ Ni to Ni²+ Ba to Ba²+ ✓Zn to Zn(OH)₂ Cr to Cr³+ ✓ Au to Au³+ A voltaic cell is composed of the following 2 half reactions: Sn²+ (aq) + 2e → Sn(s) Ell = - 0.136 V Cu²+ (aq) + 2eCu(s) E = 0.342 V cell Determine the non-standard state Ecell at 298 K when Sn²+ (aq) = 0.317 M and Cu²+ (aq) = 0.812 M. Determine the Ell of a voltaic cell composed of Hg(s) in a 1.00 M solution of Hg²+, and Cd(s) in a 1.00 M solution of Cd²+ at 25.00°C. Hg(s)/Hg²+ Eº = 0.851 V Cd(s)/Cd²+ Eº = -0.403 V V Score on last try: 0 of 1 pts. See Details for more. > Next question You can retry this question below What is the oxidation number on 0 in the following compound? MgO₂ (Positive numbers do not need to contain a +). Submit Question
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