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Electrochemistry
Page 10
Questions (1,173)
predict the order of reduction and which of the following ions will reduce first at the cathode of an electrolytic cell: Ag^(+),
1 answer
asked by
Anonymous
401 views
how many grams of copper can be reduced by applying a 3.00 A current for 16.2 minutes, to a solution containing Cu^(2+) ions?
1 answer
asked by
Anonymous
349 views
1. what voltage is necessary to force the following electrolysis reaction to occur? which process would occur at the anode?
2 answers
asked by
Anonymous
556 views
Given the balanced net ionic equation
Zn(s) + 2H^+(aq) <---> Zn^2+(aq) + H2(g) would the cell notation be: Zn|Zn^2+||2H^+|H2 (i'm
2 answers
asked by
Sara
823 views
the Cu(No3)2 solution was diluted to 0.001 M. The voltage was measured against standard zinc electrode and found to be 0.89
4 answers
asked by
Anonymous
961 views
For the reaction that occurs in the voltaic cell
Fe(s)|Fe2+(aq)||Cr3+(aq),Cr2+(aq)|Pt(s) use data from Appendix D in the textbook
4 answers
asked by
Brandon
2,684 views
Suppose the Cu electrode was replaced by an Al electrode. In order for this new cell to be a galvanic cell, which electrode
3 answers
asked by
Anonymous
536 views
I have no idea how to start this one
Given a measured cell potential, Ecell = -0.3559V at 25oC, calculate the H+ concentration
2 answers
asked by
Mall
968 views
Calculate the standard reduction potential for the reaction that coverts Cu3+ to Cu2+. Cu3+ + 2e-> Cu+ E0 =1.28 V
Cu2+ + e-> Cu+
2 answers
asked by
Mall
981 views
An electrochemical cell is made from two half cells. The first contains 1M hydrochloric acid above 1 atm Cl2gas (w/ a platinum
3 answers
asked by
Mall
554 views
Lead metal is added to a solution of hydrochloric acid.
What would be the theoretical cell potential, E°, for the reaction?
1 answer
asked by
Sam
343 views
Indicate whether the following half-cells would act as an anode or a cathode when coupled with a S.H.E. in a galvanic cell.
3 answers
asked by
Steve
854 views
Find the Emf for the cell
Cr(gr) | Sn4+(aq, .059 M), Sn2+ (aq, .059 M) || Fe3+ (aq, .15 M), Fe2+ (aq, .015 M) | Pt(s) if the
1 answer
asked by
Chemstudent
665 views
Find the Emf for the cell
Cr(gr) | Sn4+(aq, .059 M), Sn2+ (aq, .059 M) || Fe3+ (aq, .15 M), Fe2+ (aq, .015 M) | Pt(s) if the
1 answer
asked by
Chemstudent
663 views
Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M TI3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find
2 answers
asked by
James
583 views
The thickness of a pure Ag plate on a base metal is to be determined by controlled potential coulometry. The metal sheet is
2 answers
asked by
James
527 views
A student constructs a galvanic cell that has a strip of iron metal immersed in a solution of
0.1M Fe(NO3)2 as one half-cell and
3 answers
asked by
sam
1,668 views
At what concentration of silver electrolyte the potential of the silver elevtrode will be greater than 0.1V of the silver
1 answer
asked by
brian
388 views
A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?
2 answers
asked by
Rizwan
651 views
The voltage generated by the zinc concentration cell described by,
Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 11.0 mV at 25
2 answers
asked by
Mona
759 views
A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?
4 answers
asked by
Janavi
1,024 views
An electrochemical battery made from Sn and Cu electrodes under standard conditions shows an
initial voltage of V= 1.1 V. If the
6 answers
asked by
Ana
482 views
Al3+ is reduced to Al(s) at an electrode. If a current of 2.75 ampere is passed for 36 hours, what mass of aluminum is deposited
4 answers
asked by
Anonymous
940 views
Posted by Ana on Saturday, May 3, 2014 at 11:23am.
A zinc-copper battery is constructed as follows (standard reduction potentials
2 answers
asked by
Ana
487 views
1) Calculate the cell potential, at 25 C, based upon the overall reaction
Zn2+(aq) + 2 Fe2+(aq) -> Zn(s) + 2 Fe3+(aq) if
4 answers
asked by
Chris
1,222 views
A zinc-copper battery is constructed as follows (standard reduction potentials given below):
Zn | Zn2+ (0.10 M) || Cu2+ (2.50 M)
6 answers
asked by
Ana
1,975 views
A zinc-copper battery is constructed as follows (standard reduction potentials given below):
Zn | Zn2+ (0.10 M) || Cu2+ (2.50 M)
1 answer
asked by
Ana
687 views
Pb I Pb^2+ (1M) II Cu^2+ (1M) I Cu
Temp.= room temp E cell (measured) = delta (calculated) =??? Keq (calculated) =???? Please
1 answer
asked by
Anonymous
387 views
a.) which of the following reactions should have the larger emf under standard conditions & why?
CuSO4 (aq) + Pb (s) goes to
3 answers
asked by
Ali
2,732 views
How many grams of silver will be obtained when an aqueous silver nitrate solution is electrolyzed for 22.0min with a constant
2 answers
asked by
Michelle D.
488 views
Fe(s) + Cu2+(aq) Fe2+(aq) + Cu(s)
If Ecell = 0.780 V and [Fe2+] = 1.0 M, what is [Cu2+]?
2 answers
asked by
Anonymous
1,274 views
Use the Nernst equation to calculate the iron (II) concentration for the following
iron/copper electrochemical cell when [Cu2+] =
5 answers
asked by
Adrik
1,522 views
The voltage generated by the zinc concentration cell (described by,
Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s)) is 27.0 mV at
3 answers
asked by
Chem. Student
886 views
what current (in amperes) is required to plate out 2.85 g of Cr from a Cr^3+ solution in a period of 2.50 hr?
3 answers
asked by
Maho
430 views
Using a table of standard electrode potentials (as in Appendix M of your text), calculate the standard cell potential, Eo, for:
3 answers
asked by
Nancy
490 views
You conduct another experiment on silver condensation. You add 8.0 g of silver nitrate to 200 mL of pure water. You attach a
2 answers
asked by
kyle
886 views
A).What is a salt bridge? Explain its function in electrochemical cell.
B). Outline the basic difference between a galvanic cell
2 answers
asked by
Lakydo Wepson
95 views
Using the Nernst equation, determine the diluted concentration for both cells. Show your work.
Given that [Cu2+] and [Zn2+] are
2 answers
asked by
Anonymous
562 views
1.Using Nerst, find the E of the cell for the dicromate redox system:
A.under standard conditions. B.under neutral solutions
1 answer
asked by
Kris
417 views
A total charge of 96.5 kC is passed through an electrolytic cell. What mass of copper will be produced from a copper(II)
2 answers
asked by
Gabriella
527 views
Write the half reactions and the balanced equation for the galvanic cell
Hg(ℓ)|Hg2+2(aq)||MnO4(aq),Mn2+(aq),H+(aq)|Pt(s). What
4 answers
asked by
Gabriella
1,483 views
In a concentration cell, what would be the potential if we studied two solutions that had the same concentration?
1 answer
asked by
Kelly
292 views
What is the standard reduction potential for the half-reaction Li = Li+ + e- ?
1 answer
asked by
Student
766 views
It takes 96,485 coulombs to plate 1 equivalent Cr(52/6= about 8.67 g). To plate 200 g will require how many C? 96.485 x
1 answer
asked by
dano
273 views
Hi I noticed someone else put this question up, but I am having a hard time with this one. I HAVE NO IDEA WHAT TO DO.
What will
1 answer
asked by
Kendra
1,098 views
Shown below is a diagram of an
electrochemical cell. Write the shorthand, or schematic, notation for this cell
2 answers
asked by
yara
539 views
Calculate Eo (reduction potential) for the following balanced reaction.
NiO2 + 2H2O + 2Fe(OH)2 Ni(OH)2 + 2Fe(OH)3
1 answer
asked by
Sophie
463 views
A concentration cell consists of the same re- dox couples at the anode and the cathode, with different concentrations of the
1 answer
asked by
David
482 views
nsider the following electochemical cell.
Pt | Cr3+ (2.7010-4 M), Cr2+ (0.500 M) || Pb2+ (0.0710 M) | Pb Calculate the voltage of
1 answer
asked by
sarah
854 views
1) For the following electrochemical cell Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 1.50 M)|Ag(s) write the net cell equation.
Calculate
3 answers
asked by
Andrew
1,911 views
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