Consider only the species (at standard conditions), in answering the following questions. Give reasonfor your answers. (Use data from the Standard Reduction Potential table)Br¯,Br2, H*, H2, La3+, Ca and Cda. Which is the strongest oxidizing agent?b. Which is the strongest reducing agent?c. Which species can be oxidized by MnOs in acid?d. Which species can be reduced by Zn(s)?

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Consider only the species (at standard conditions), in answering the following questions. Give reason for your answers. (Use data from the Standard Reduction Potential table) Br",Br2, H*, H2, La³+, Ca and Cd a. Which is the strongest oxidizing agent? b. Which is the strongest reducing agent? c. Which species can be oxidized by MnO4 in acid? d. Which species can be reduced by Zn(s)?

Consider only the species (at standard conditions), in answering the following questions. Give reason for your answers. (Use data from the Standard Reduction Potential table) Br",Br2, H*, H2, La³+, Ca and Cd a. Which is the strongest oxidizing agent? b. Which is the strongest reducing agent? c. Which species can be oxidized by MnO4 in acid? d. Which species can be reduced by Zn(s)?

Chemistry

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ISBN:9781133611097

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Chapter18: Electrochemistry

Section: Chapter Questions

Problem 61E: Consider only the species (at standard conditions) Na+, Cl, Ag+, Ag, Zn2+, Zn, Pb in answering the...

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Use the data from the table of standard reduction potentials in Appendix H to calculate the standard potential of the cell based on each of the following reactions. In each case, state whether the reaction proceeds spontaneously as written or spontaneously in the reverse direction under standard-state conditions. (a) H2(g)+Cl2(g)2H+(aq)+2Cl(aq) (b) Al3+(aq)+3Cr2+(aq)Al(s)+3Cr3+(aq) (c) Fe2+(aq)+Ag+(aq)Fe3+(aq)+Ag(s)
An aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39 hours. The electroplating is carried out with an efficiency of 93.0%, resulting in a deposit of 21.221 g of gold. a How many faradays are required to deposit the gold? b What is the charge on the gold ions (based on your calculations)?
A factory wants to produce 1.00 103 kg barium from the electrolysis of molten barium chloride. What current must be applied for 4.00 h to accomplish this?
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Determine the overall reaction and its standard cell potential at 25 C for these reactions. Is the reaction spontaneous at standard conditions? Assume the standard reduction for Br2(l) is the same as for Br2(aq).. Pt(s)|H2(g)|H+(aq)Br2(aq),Br(aq)|Pt(s)
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A solution contains the ions H+, Ag+, Pb2+, and Ba2+, each at a concentration of 1.0 M. (a) Which of these ions would be reduced first at the cathode during an electrolysis? (b) After the first ion has been completely removed by electrolysis, which is the second ion to be reduced? (c) Which, if any, of these ions cannot be reduced by the electrolysis of the aqueous solution?
For a voltage-sensitive application, you are working on a battery that must have a working voltage of 0.85 V. The half-cells to be used have a standard cell potential of 0.97 V. What must be done to achieve the correct voltage? What information would you need to look up?
Galvanized steel pipes are used in the plumbing of many older homes. When copper plumbing is added to a system consisting of galvanized steel pipes it is necessary to place an insulator between the copper and the steel to avoid corrosion. Write a balanced oxidation-reduction equation for the reaction that occurs if the pipes are directly connected. What is the standard potential between the metals?
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