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Electrochemistry
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Questions (1,173)
1.
Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an
7 answers
asked by
Jose
5,043 views
Calcalate the mass of silver deposited when a current of 2.6A is passed through a solution silver salt for 70mins?
4 answers
asked by
Rimamtang Josiah
380 views
Calculate for the electrochemical cell below,
Ag(s) | AgCl(s) | Cl–(aq) || Cu2+(aq) | Cu(s) given the following standard
4 answers
asked by
Anonymous
2,904 views
A current of 156A is applied to an electrolytic cell containing molten CuCl2 for 45 minutes. What substance and how many grams
4 answers
asked by
Joey
748 views
What is the reaction that occurs at a silver anode of a voltaic cell? (Include states-of-matter under the given conditions in
4 answers
asked by
Anonymous
1,356 views
Write the half reactions and the balanced
equation for the galvanic cell Hg(ℓ)| Hg2+ 2 (aq)|| MnO− 4 (aq), Mn2+(aq), H +(aq)|
4 answers
asked by
Anonymous
1,899 views
calculate the mass of copper deposited when a current of 0.5
amphere was passed through a solution of copper (ii) chloride for 45
4 answers
asked by
Anonymous
551 views
Study the two half reactions of an electrochemical cell.
Ag(s) → Ag+(aq) + e– E0 = 0.80 V Cu(s) → Cu2+(aq) + 2e– E0 =
3 answers
asked by
Ty
863 views
A galvanic cell has an iron electrode in contact with 0.20 M FeSO4 and a copper electrode in contact with a CuSO4 solution. If
3 answers
asked by
jeff
2,566 views
a galvanic cell: A copper electrode is placed in a Cu(NO3)2 electrolyte. An iron electrode is placed in a Fe(NO3)3 electrolyte.
a
3 answers
asked by
LALA
1,800 views
Given these standard reduction potentials at 25 C
1. Cr3+ + e- ===> Cr2+ E1=-0.407 V 2. Cr2+ + 2e- ===> Cr(s) E2=-0.913 V
4 answers
asked by
Bridget
1,328 views
Calculate the cell potentials for the following voltaic cells:
2Al (s) + 3Cu 2+ (aq) → 2Al 3+ (aq) + 3Cu (s) 3Mg (s) + 2Al 3+
2 answers
asked by
Jazzy
604 views
An unknown metal chloride with the formula MCl3 undergoes electrolysis using a current of 6.50A for 1000 s and desposits 1.56g.
1 answer
asked anonymously
59 views
Diagram of electroplating of a steel spoon with silver metal.
1 answer
asked by
Feri
18 views
Write the anode and cathode reactions of an electrolytic cell using concentrated sodium chloride solution (>2.0M)
1 answer
asked anonymously
26 views
calculate the mass of silver deposited when a current of 2.6a is passed through a solution of a silver salt for 70mins ag=108,1
10 answers
asked by
MIRACLE IWUNZE
6,812 views
A voltaic cell is constructed with an Ag/Ag+ half-cell and a Pb/Pb2+ half-cell. Measurement shows that thesilver electrode is
5 answers
asked by
anonymous
8,568 views
Using the Nernst equation, determine the diluted concentration for both cells. Show your work.
Sn| Sn2+(diluted)||Cu2+|Cu Zn|
3 answers
asked by
Anonymous
1,265 views
A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 C. The initial concentrations of Ni2+ and Zn2+ are
4 answers
asked by
Nevaeh
6,114 views
A voltaic cell has one half-cell with a Cu bar in a 1.00 M Cu2+ salt and the other half-cell with a Cd bar in the same volume of
5 answers
asked by
Patrick
3,872 views
Using the following data
1. CU3+ + 2e- ---> Cu+ E1= 1.28V 2. CU2+ + e- ---> Cu+ E2= 0.15V 3. Cu2+ + 2e- ----> Cu(s) E3= 0.34V 3.
5 answers
asked by
anna
8,771 views
Write the standard cell notation for a galvanic cell with a silver cathode and a zinc anode.
5 answers
asked by
princess
5,557 views
Consider the voltaic cell
Zn(s) + Cu{2+}(aq)--> Zn{2+}(aq)+Cu(s) {}=charge Under standard conditions, what is the maximum
4 answers
asked by
Ethan
7,262 views
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Zn2 ] = 0.842 M and [Ni2 ] = 0.0100
4 answers
asked by
Sophie
5,838 views
Based on the half-reactions and their respective standard reduction potentials below, what is the standard cell potential for
5 answers
asked by
anna
1,552 views
Consider an electrochemical cell based on the following cell diagram:
Pt | Pu3+(aq), Pu4+(aq) || Cl2(g), Cl−(aq) | Pt Given
5 answers
asked by
Diana
5,599 views
Consider the following cell:
Pt|H2(g, 0.460 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.00 V at
5 answers
asked by
Daisy
8,898 views
Calculate the mass of silver deposited when 0.2A of electricity is passed through a silver chloride solution for 2 hours, given
4 answers
asked by
SUMALIA
548 views
An electrochemical cell of notation Pd | Pd²⁺ || Cu²⁺ | Cu has E° = -0.65 V. If we know that the standard reduction
4 answers
asked by
stefani
1,094 views
"Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of the following aqueous
4 answers
asked by
Kate
4,937 views
if you're given a chart of half cell potentials (reduction potentials), how can you figure out which metals produce the highest
4 answers
asked by
melissa
3,229 views
When a solution of a certain gadolinium salt is electrolyzed with a current of 1.0 A for 2.0 h, 0.025 mol of Gd metal forms.
3 answers
asked by
Durbin23
2,039 views
Pt(s) | H2(g) | H+(aq) || SO42-(aq) | PbSO4(s) | Pb(s)
Which balanced chemical equation, for an overall reaction, corresponds to
3 answers
asked by
Anonymous
1,652 views
In the voltaic cell that is represented as: Cu | Cu2+ || Fe | Fe2+.
The only anion in solution in the cells and salt bridge is
3 answers
asked by
Mikah
1,474 views
Show the half equations at the anode and cathode for an electrolysis of concentrated magnesium chloride solution using inert
3 answers
asked by
Eddie
745 views
A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-]
3 answers
asked by
DAN
999 views
For the voltaic cell Cr(s)/Cr3+(aq)//Ni+2 (aq)/Ni(s), list the reactions at the cathode, anode, and the overall net reaction.
4 answers
asked by
Tara
3,941 views
The standard electrode potentials for zn/zn and cu/cu are -0.76v and
0.34v respectively at 298k.calculate the free energy change
3 answers
asked by
Precious
642 views
Write the oxidation and reduction half-reactions for a silver-chromium voltaic cell. Identify the anode, cathode, and the
3 answers
asked by
S
1,851 views
A solution contains, in each 5 mL, 0.5 g of potassium acetate (C2H3KO2, MW = 98), 0.5 g of potassium bicarbonate (KHCO3, Z =
2 answers
asked anonymously
122 views
Calculate the current that must be passed into a solution of aluminum salt for 1 hour 30minutes in order to deposit 1.5kg of
1 answer
asked anonymously
103 views
What are the reduction potentials of lithium, sodium and potassium?
3 answers
asked by
nathan
1,812 views
Calculate Ecell forthe following electrochemical cell at 25 C
Pt(s) |H2(g, 1.00 bar) |H + (aq, 1.00 M) || Pb2+(aq, 0.150 M) |
2 answers
asked by
Lana
1,210 views
Calculate the mass of silver deposited when a current of 2.6 A ls passed through a solution of silver salt for 70 minutes.
5 answers
asked by
Anonymous
972 views
'Aluminium displaces hydrogen from dilute HCl whereas silver does not. The E.M.F. of a cell prepared by combining Al /Al 3
2 answers
asked by
Anushka
852 views
An element x has a relative atomic mass of 88. When a current of 0.5 ampere was passed through the fused chloride of x for 32
1 answer
asked anonymously
38 views
Name the product at the anode and cathode when a dilute solution of sodium chloride is electrolysed.
1 answer
asked by
Feri
24 views
An electrochemical cell is based on these two half-reactions:
Ox: Sn(s) → Sn2+(aq, 1.74 M) + 2 e- Red: ClO2(g, 0.120 atm) + e-
4 answers
asked by
Anonymous
5,274 views
Which statement correctly identifies how a lead-storage battery in a car works?
A. The battery acts as a galvanic cell as it
4 answers
asked by
Morgan
2,755 views
What is the reduction potential for the half-reaction Al3+(aq) + 3e- Al(s) at 25°C if [Al3+] = 0.10 M and E° = –1.66 V?
5 answers
asked by
ibbi
5,565 views
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