Questions LLC
Login
or
Sign Up
Ask a New Question
Electrochemistry
Page 5
Questions (1,173)
Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing indium
4 answers
asked by
Lexi
7,484 views
A voltaic cell is constructed that is based on the following reaction.
Sn2+(aq) + Pb(s) -> Sn(s) + Pb2+(aq) (a) If the
4 answers
asked by
DAN
5,204 views
A battery is constructed based on the oxidation of magnesium and the reduction of Cu^2+. The initial concentrations of Mg^2+ and
4 answers
asked by
Emma
6,475 views
Calculate the unknown of Ag+ if the potential of the following concentration cell is 300 mV at 25.0 C.
Ag|Ag+(unknown)||Ag+(0.100
4 answers
asked by
Samantha
3,116 views
For the reaction 2Co^3+ (aq) + 2Cl^- (aq) ----> 2Co^2+ + Cl2 (g)
E^o = 0.46 V (STANDARD cell potential) what is the cell
4 answers
asked by
Ann
1,730 views
I did an experiment where i put iron nail with zinc metal wrapped around it in agar solution.
the solution turned pink. I have to
4 answers
asked by
Anonymous
1,479 views
Using a current of 4.0A, how many hours would it take to deposit a silver using coating of 0.2mm thick on a metal with a surface
4 answers
asked by
Wesley
383 views
Pb(s)|PbSO4(s)|SO2−4(aq,0.60 M)||H+(aq,0.70 M)|H2(g,192.5 kPa)|Pt. If E◦for the cell is 0.36 V at 25◦C, write
the Nernst
2 answers
asked by
Gabriella
1,153 views
Calculate E, E^o and (delta)G^o for the following cell reaction:
Mg(s) + Sn2+(aq) (yields) Mg2+(aq) + Sn(s) [Mg2+] = 0.045 M,
4 answers
asked by
Julie
6,135 views
The same quantity of electricity is passed through 2voltameters connected in series, one copper voltmeter with copper electrode
4 answers
asked by
Divine
539 views
Why are standard electrode potentials affected by the nature of the electrode?
4 answers
asked by
Dylan
1,428 views
Find the equilibrium constant for the reaction
Cr(s) + Zn2+(aq) → Cr2+(aq) + Zn(s) if the standard cell emf is −0.76 V at the
2 answers
asked by
jack hoff
755 views
Use the following pair of reduction half-reactions to design a galvanic cell. Then write in the proper coefficient for each of
4 answers
asked by
bekah
2,405 views
How many minutes are needed to plate out 29.00g Mg from molten MgCl2, using 2.70A of current?
4 answers
asked by
joe
1,467 views
In a zinc-copper cell, Zn | Zn+2(1M) || Cu+2(1M) | Cu, which electrode is negative?
a. Cu(s) b. Zn(s) c. Zn+2(aq) d. Cu+2(aq) Its
4 answers
asked by
Cassie
2,754 views
How do you calculate the theoretical cell voltage?
1) Zn|Zn^+2 (1M)| Cu|Cu^+2 (1M) okay so by looking at example this example
5 answers
asked by
fenerbahce
4,014 views
The voltaic cell reaction NiO2(s)+4H^+(aq)+ 2Ag(s)-->Ni^2+(aq)+2H20(l)+ 2Ag^+ has a E cell= +2.48V. What will the cell potential
4 answers
asked by
Anonymous
1,738 views
What amperage is required to plate out .250 mol Cr from a Cr+3 solution in a period of 8.00 h?
4 answers
asked by
Alan
2,382 views
Im having trouble on a question Im not sure what it is they are asking for.
A voltaic cell similar to that shown in Figure 20.5
5 answers
asked by
Hannah
2,638 views
A zinc-copper battery is constructed as follows at 25°C.
Zn|Zn^2+ (0.15 M)||Cu2+(3.00 M)|Cu The mass of each electrode is 200.
4 answers
asked by
Pamela
3,730 views
The standard electrode potential for the reduction of Eu3+(aq) to Eu2+(aq) is −0.43 V. determine which of the following is
4 answers
asked by
help
2,781 views
Consider the voltaic cell:
Zn(s) / Zn2+(aq) // H+(aq) / H2(g) / Pt(s) Calculate the value of Ecell, in V, when [Zn2+] =1.00 M and
4 answers
asked by
Martin
1,703 views
When combined with cupric ions (aq, 1M) which will produce the largest standard cell voltage?
a. ) KMnO4(aq) b. ) MnO2(s) c. )
4 answers
asked by
nigel s
1,827 views
Consider a galvanic cell with a beaker of sulfuric acid and a beaker of nitric acid. The sulfuric acid beaker contains a strip
4 answers
asked by
lily
1,867 views
If we electrolyze a solution of Ni²⁺(aq) to form Ni(s) and use a current of 0.15 amps for 10 minutes, how many grams of Ni(s)
4 answers
asked by
stefani
848 views
1. Distinguish between a conductor and electrolyte.
2. State Faraday's first law of electrolysis 3. What is an electrochemical
4 answers
asked by
Amora
2,496 views
Consider the cell
Pb(s)| PbSO4(s)| SO4(2-) (aq , 0.60 M)|| H+(aq , 0.70 M)| H2(g , 192.5 kPa)| Pt. If E◦ for the cell is 0.36 V
3 answers
asked by
AllysonR99
671 views
Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when [Cr3+] = 0.15 M, [Al3+] = 0.30
7 answers
asked by
Anonymous
5,147 views
This is the question I am having trouble with:
A voltaic cell consists of a strip of lead metal in a solution of Pb(NO3)2 in one
7 answers
asked by
Sarah
2,891 views
1. Sodium can be extracted by heating naturally occurring salt until it is molten. An electrochemical process is then used to
4 answers
asked by
Morgan
1,284 views
A student places a zinc electrode in a 0.80 M Zn2+(aq) solution which is connected by an
electrolyte to a 1.30 M Ag+ (aq)
7 answers
asked by
Tom
1,615 views
A voltaic cell is constructed that uses the following reaction and operates at 298 K: 2 Al(s) + 3 Mn2+(aq) 2 Al3+(aq) + 3 Mn(s).
4 answers
asked by
Matt
1,037 views
A voltaic cell utilizes the following reaction and operates at 298K
3Ce{4+}(aq)+Cr(s)--->3Ce{3+}(aq)+Cr{3+}(aq) {}=Charge What is
4 answers
asked by
Ethan
3,029 views
Current is applied to an aqueous solution of lithium sulfide. What is the cathode and what is the anode?
4 answers
asked by
Katie
1,202 views
By what mass (in grams) will a chromium cathode increase when it is coupled to a magnesium half cell in which the magnesium
4 answers
asked by
Asterix
497 views
im having trouble understanding this hw question,
okay here's the question: A 0.326 8-g unknown containing Pb(CH3CHOHCO2)2 (lead
4 answers
asked by
Anonymous
2,048 views
(1) The same quantity of electricity is passed through 2voltameters connected in series, one copper voltmeter with copper
4 answers
asked by
dannystein
1,141 views
Part A
Identify the anode and cathode, and indicate the direction of Na+ ion and NO3 - ion flow from the salt bridge. 1) Al is
6 answers
asked by
university
3,214 views
An electrochemical cell consists of a nickel metal electrode immersed in a solution with [Ni2+] = 1.0 M separated by a porous
4 answers
asked by
Halie
3,223 views
How many hours will it take to produce 78.0 g of Al metal by the reduction of Al3+ in an electrolytic cell with a current of
4 answers
asked by
Diana
2,455 views
A galvanic cell consists of La^3+/La half-cell and a standard hydrogen electrode. If the La^3+/La half cell functions as the
4 answers
asked by
Anonymous
2,314 views
Which of the following ions can be reduced from an aqueous solution?
A)Ba2+ B)Al3+ C)Sn2+ D)Na+ Do I look for the higher volts?
4 answers
asked by
sh
2,299 views
For
Hg2+(aq) + 2e -> Hg(l) E=0.851 V This means that: A) Hg(l) is more readily oxidized than H_2(g); B) Hg^2+(aq) is more readily
12 answers
asked by
someone
2,176 views
In lab, we did an experiment with electrochemical cells with solutions of ZnSO4, CuSO4, Al2(SO4)3 and MgSO4 and their respective
11 answers
asked by
Donna
5,267 views
Reduction Reaction E0 (V)
Cadmium (Cd) Cd2+ + 2e– → Cd -0.40 Silver (Ag) Ag+ + e– → Ag +0.80 If the standard cell
4 answers
asked by
Dylan
1,593 views
what mass of silver is deposited when n current of 2.6A is passed through a solution of silversalt for 40 minutes?
(Ag=108,
4 answers
asked by
Sadiq Hassan
1,929 views
Constants
The following values may be useful when solving this tutorial. Constant Value E∘Cu 0.337 V E∘Fe -0.440 V R 8.314
4 answers
asked by
Jasper
6,188 views
Calculate the standard cell potential for each of the electrochemical cells?
2Ag+(aq)+Pb(s)→2Ag(s)+Pb2+(aq) E∘cell......V?
5 answers
asked by
John
6,654 views
If a piece of copper metal is dipped into a solution containing Cr3+ ions, what will happen? Explain with Ev values
4 answers
asked by
Jake
2,965 views
How many grams of copper is deposited from an aqueous solution of copper sulfate, (CuSO4(aq)), by passing one mole of electrons
4 answers
asked by
Rapinder S.
2,167 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (25)
Analytical Chemistry
Atomic Structure
Chemical Reactions
Chemistry
Chemistry and Materials Science
Chemistry Education
Electricity and Magnetism
Electromagnetism
Equations and Reactions
Physical Chemistry
Physical Science
Physics
Physics/Chemistry
Reaction
Reaction kinetics
Reactions
Redox Reactions
Science
Science (or Chemistry)
Science Experiment
Science Laboratory Experiment
Science/Chemistry
Stoichiometry
Thermodynamics
Titration