A galvanic cell (battery) is represented by the shorthand below. Look up the standard half cell...

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Chemistry

A galvanic cell (battery) is represented by the shorthand below.Look up the standard half cell potentials in your textbook or onthe internet. (Make sure you select the half reactions thathave all the species required, and no other species.)
Â Â Â Â Â Â Â Â Â Â Â Cd(s) / Cd²⁺ // IO₃^- , H+,Cl^-, ICl₂^- / Pt(s)
(a) Calculate E^o for this battery.
(b) What is the oxidizing agent (chemical formula of thespecies, not just the element)?
What is the reducing agent (chemical formula of the species, notjust the element)?
Â Â Â Â Â Â Â Â Â Â Â What species is/are found in the cathode compartment?
(c) Determine the overall balanced chemical equation for thebattery reaction.
(d) Use Nernst eqn and the concentrations below, calculateexpected cell potential.
[Cd²⁺] = 0.0250 MÂ Â Â Â [IO₃^-] = 0.100Â Â Â Â pH =4.00Â Â Â Â Â [Cl^-] = 0.500MÂ Â Â Â Â Â Â [ICl₂^-] = 1.75 x10^-5 M

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3.8 Ratings (379 Votes)

anode reaction oxidation Cd Cd2 2e cathode reaction reduction I03 2Cl 6H 4e ICl2 3H20 so overall balanced chemical equation is 2 Cds I03 2 Cl 6H 2 See Answer

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