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Enter a balanced equation for the overall reaction.

Enter a balanced equation for the overall reaction.

Chemistry
Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter7: Atomic Structure And Periodicity
Section: Chapter Questions
Problem 139AE: Mars is roughly 60 million km from the earth. How long does it take for a radio signal originating...
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16:37 Sun May 2 Done < AA A session.masteringchemistry.com <Problem Set #9 (Ch 19) Exercise 19.44 - Enhanced - with Feedback and Hints 5 of 15 Catnoae (+) Anoae Fe(s) Cr(s) Salt bridge containing KNO3(aq) -1 M Fe3+ IM Cr³+ Submit Previous Answers Correct Consult the table of Standard Electrode Potentials at 25° C and find the corresponding half-reactions: Fe3+ (ag) + 3e-→Fe(s), E = -0.036 V Cr+ (aq) + 3e-→Cr(s), E = -0.73 V The electrode with a smaller electrode potential tends to undergo oxidation and thus is an anode. Therefore, Cr is the anode. The electrode with a greater electrode potential tends to undergo reduction and thus is a cathode. Therefore, Fe is the cathode. Electrons travel from the anode to the cathode. Therefore, the direction of electron flow on the sketch is from right to left. Part B Enter a balanced equation for the overall reaction. Express your answer as a chemical equation. Identify all of the phases in your answer. • View Available Hint(s) ΑΣφ ? O A chemical reaction does not occur for this question. Submit Part C
Transcribed Image Text:16:37 Sun May 2 Done < AA A session.masteringchemistry.com <Problem Set #9 (Ch 19) Exercise 19.44 - Enhanced - with Feedback and Hints 5 of 15 Catnoae (+) Anoae Fe(s) Cr(s) Salt bridge containing KNO3(aq) -1 M Fe3+ IM Cr³+ Submit Previous Answers Correct Consult the table of Standard Electrode Potentials at 25° C and find the corresponding half-reactions: Fe3+ (ag) + 3e-→Fe(s), E = -0.036 V Cr+ (aq) + 3e-→Cr(s), E = -0.73 V The electrode with a smaller electrode potential tends to undergo oxidation and thus is an anode. Therefore, Cr is the anode. The electrode with a greater electrode potential tends to undergo reduction and thus is a cathode. Therefore, Fe is the cathode. Electrons travel from the anode to the cathode. Therefore, the direction of electron flow on the sketch is from right to left. Part B Enter a balanced equation for the overall reaction. Express your answer as a chemical equation. Identify all of the phases in your answer. • View Available Hint(s) ΑΣφ ? O A chemical reaction does not occur for this question. Submit Part C
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