Questions LLC
Login
or
Sign Up
Ask a New Question
Electrochemistry
Page 7
Questions (1,173)
A current of 0.15A is passed through an aqueous solution of K2PtCl4. How long will it take to deposit 1.00g Pt? (M=195.1)
2 answers
asked by
Zika Presh
192 views
a current of 4.5a is passed through a solution of gold salt for 1 hour 45 minutes.calculate the number of moles of gold
2 answers
asked by
Victor
135 views
Is there a difference between standard cell potential and reduction potential in electrochemistry? Can someone explain it to me?
3 answers
asked by
confused
372 views
What reaction (oxidation or reduction) occurs at an anode of...
a) an electrochemical cell OR b) an electrolytic cell
3 answers
asked by
Asterix
631 views
Determine whether the following reaction will occur by determining the voltage produced; Ag(s) + HCl(aq) =
3 answers
asked by
Asterix
365 views
Calculate the mass of silver deposited when 0.4A of electricity is passed through a silver chloride solution for 2 hours , given
3 answers
asked by
PHEBE
301 views
1. In the electrolysis of molten sodium chloride,
sodium metal is produced at the anode & chlorine gas at the cathode sodium ions
2 answers
asked by
plant
1,132 views
A cell is prepared by dipping a copper rod in 1M CuSO4 solution and a nickel rod in 1M NiSO4 solution. The standard reduction
2 answers
asked by
A J John
817 views
What is the correctly balanced reaction for a Li-Cr voltaic cell?
3 answers
asked by
Andy
427 views
A nickel-cadmium electrochemical cell functions according to the following reaction:
Cd+ Ni2+ → Cu2+ + Ni What is the standard
3 answers
asked by
Anna
1,457 views
If an electrochemical cell was made from Nickel and Iron, which metal would serve as the cathode and which as the anode?
2 answers
asked by
Jazzy
1,107 views
Calculate the current that must be passed into a solution of copper(ii)salt for 70sec in order to deposit 29gram of copper metal
3 answers
asked by
dubem
804 views
Steel plate is in contact with copper. Give the scheme of electrochemical corrosion in natural and acidic medium and write the
3 answers
asked by
Alper
483 views
For the galvanic cell that uses the reaction
2 Al(s) + 3 Ni2+(aq) → 2 Al3+(aq) + 3 Ni(s) the value of n in the relationship
4 answers
asked by
Hi
2,027 views
I am given a question where I have to state which combination of electrodes will result in the greatest voltage and which will
5 answers
asked by
Sara
1,068 views
Consider an electrochemical cell based on the reaction: 2H+(aq) + Sn(s) = Sn2+(aq) + H2(g). Which of the following actions would
4 answers
asked by
danny
2,350 views
If E Cu+2 had been chosen as the standard reference electrode and had been assigned a potential of 0.00 V, what would the
3 answers
asked by
Pete
593 views
When an ion-selective electrode for X was immersed in 0.0210 M XCl, the measured potential was 0.0480 V. What is the
4 answers
asked by
tevon
3,959 views
Write the anodic reaction for the electrolysis of concentrated zinc chloride solution.
(a) Using plantium electrodes. (b) Using
4 answers
asked by
Shane
1,738 views
Calculate the standard cell potential given the following standard reduction potentials:
Al3++3e−→Al;E∘=−1.66 V
3 answers
asked by
Allen
3,886 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
Mona
2,098 views
Construct a galvanic (voltaic) cell from the half reactions shown below.
Au3+ + 3 e- → Au (s) ξo= 1.420 V Br2 (l) + 2 e-→ 2
3 answers
asked by
bekah
1,185 views
The measured potential of the following cell was 0.1776 volts:
Pb|Pb2+(??M)||Pb2+(1.0M)|Pb Calculate the electrode potential of
3 answers
asked by
Alex
2,635 views
what current will be able to produce 20 volume of chlorine by electrolysis at STP within one hour?
3 answers
asked by
Nemesi Thadeo
583 views
Predict the standard emf of each of the following galvanic cells.
(a) Sn(s)|Sn2+(aq)||Sn4+(aq),Sn2+(aq)|Pt(s) (b)
4 answers
asked by
Sara
1,631 views
A voltaic cell that uses the reaction
Tl3+(aq) + 2 Cr2+(s) �¨ Tl+(aq) + 2 Cr3+(aq) has a measured standard cell potential of
4 answers
asked by
sarah
4,790 views
A cell has a standard emf of +0.177 V at 298 K. What is the value of the equilibrium constant for the cell reaction a) if n=1?
4 answers
asked by
Summer
2,442 views
For the cell shown below, which will increase the cell voltage the most?
Fe2+ | Fe3+ || Cu2+ | Cu A) Halve[Cu2+] B) Double[Cu2+]
10 answers
asked by
Anya
1,877 views
the two half-reactions that are used in the direct methanol fuel cell are shown below.
I. 2
3 answers
asked by
concerned chem student
1,575 views
Little confusing!! I need help PLZ!!!
Two half cells in a galvanic cell consist of one iron (Fe(s)) electrode in a solution of
3 answers
asked by
Andrew
2,566 views
Given a cell based on the spontaneous reaction
2AgCl(s) + Zn(s) ® 2Ag(s) + 2Cl– + Zn2+ If the zinc ion concentration is kept
3 answers
asked by
lucylu
697 views
Calculate ΔG at 298 K for the electrochemical cell consisting of Au metal in a 0.00500 M Au(NO3)3 solution and Cu metal in a
3 answers
asked by
Allie
888 views
Design an electrochemical cell using Pb(s) and Mn(s) and their solutions to answer the following questions.
I just want to see if
4 answers
asked by
Amanda
1,617 views
In conjunction with a standard hydrogen electrode, the La3+|La half-cell is the anode and the standard cell potential is 2.52V.
3 answers
asked by
Ginger
1,193 views
The Zn electrode is chipped in a solution containing ZnSO_4 and gives off electrons. It is therefore?
3 answers
asked by
Zika Presh
58 views
Calculate the mass of silver deposited when a current of 2.2A is passed through a solution of silver salt for 80
4 answers
asked by
Aisida
290 views
A voltaic cell employs the following redox reaction:
Sn2+(aq)+Mn(s)→Sn(s)+Mn2+(aq) The half-reactions are as follows:
2 answers
asked by
Katie
949 views
The measured potential of the following cell was 0.1776 volts.
Pb|Pb2+ (?M )||Pb2+ (1.0M)|Pb Calculate the electrode potential of
4 answers
asked by
drew
532 views
what's the cell potential of a copper electrolytic cell if both electrodes are copper? (the e0 value of the copper reaction is
3 answers
asked by
shim sooryeon
339 views
The most common method of producing bromine involves oxidizing bromine ions (Br^-) to bromine liquid (Br2) using chlorine gas
3 answers
asked by
Asterix
312 views
Using a current of 4.0A, how many hours would it take to deposit a silver coating of 0.2mm thick on a metal with a surface area
3 answers
asked by
Wesley
277 views
Explain how the half-cells are kept electrically neutral in a voltaic cell with a copper nitrate solution on the left and a
3 answers
asked by
bee
640 views
Examine the unbalanced electrolytic reaction and its two half-reactions.
Cd2+(aq) + Br2(g) → Cd(s) + Br–(aq) E0 = –1.49 V
3 answers
asked by
Ben
571 views
Given the following two half reactions: Al³⁺(aq) + 3e⁻ → Al(s) E° = -1.66 V; Cl₂(aq) + 2e⁻ → 2 Cl⁻(aq) E° =
3 answers
asked by
stefani
353 views
Determine the cell potential for Ni(s) + Fe²⁺(aq) → Ni²⁺(aq) + Fe(s) where [Ni²⁺] = 0.60 M and [Fe²⁺] = 0.0030 M
1 answer
asked by
stefani
1,185 views
During the electrolysis of Copper (ll) chloride solution, 3.2g of Copper was deposited at the cathode, calculate the volume of
4 answers
asked by
Ande2
623 views
Determine the mass of copper deposited by 2.4moles of electrons in the reaction represented by the equation below Cu2++2e-=C u
3 answers
asked by
Chris
421 views
calculate the ph of half cell Pt,H2|H2SO4, if its electrode potential is 0.03V
5 answers
asked by
shambhawi
3,350 views
What happens when an electric current is passed through a solution of an ionic compound?
3 answers
asked by
Aybrianna
2,060 views
A copper electrode weighs 35.42 g before the electrolysis of a CuSO4(aq) solution and weighs
36.69 g after the electrolysis has
3 answers
asked by
Anonymous
1,390 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