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Electrochemistry
Page 4
Questions (1,173)
Two half cells in a galvanic cell consist of one iron electroide in a solution of iron sulphate and a silver electrode in a
2 answers
asked by
Kelsey
646 views
In a wet type of voltaic cell, what is the electrolyte?
a. a bridge made of salt b. a copper strip c. an acidic liquid d. a
5 answers
asked by
Jenny
1,779 views
Calculate the EMF of the cell CR|Cr3+(0.1M)||Fe2+(0.1M)|Fe
Cell reaction- 2Cr(s)+3Fe2+(aq)->2Cr3+(aq)+3Fe(s)
4 answers
asked by
Rasilu
2,780 views
determine the number of electrons required to deposit 6.4g of copper from an aqueous solution of copper II sulphate
4 answers
asked by
kaye
893 views
I have a lot of questions actually.
it's electrochemistry (which is obviously a bunch of fun) 2 electrodes Cr(s)/Cr3+ and
7 answers
asked by
raaawr
858 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
1,011 views
What is produced at each electrode in the electrolysis of NaBr(aq) and AgF(aq)?
4 answers
asked by
H
3,681 views
Calculate the standard cell emf for galvanic cells with the cell reaction
2H2(g) + O2(g)→2H2O(ℓ)in acidic solution. Answer in
4 answers
asked by
Gabriella
3,084 views
What is the equilibrium constant for the
reaction taking place at room temperature (T = 25◦C) in the battery Zn(s)| Zn2+(aq)||
4 answers
asked by
John
1,550 views
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] =
4 answers
asked by
stumped
7,080 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
788 views
Which of the following processes uses a galvanic cell?
A. Electroplating silver metal onto a teapot B. Purification of metals
4 answers
asked by
Morgan
3,112 views
Current is applied to an aqueous solution of calcium sulfide. Multiple choice help please??!
What is produced at the cathode? A)
6 answers
asked by
Sam
5,689 views
Find the emf for the cell
Cr(s) |Cr3+(aq, 0.37 M) || Pb2+(aq, 0.0095 M) | Pb(s). Answer in units of V I got .548733V Is this
6 answers
asked by
brian
1,078 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
4 answers
asked by
Gabriella
3,819 views
What will be the products of the electrolysis of an aqueous solution of zirconium iodide (ZrI4)? (The electrodes themselves are
5 answers
asked by
Anna
1,191 views
what is the galvanic cell for the redox reaction between sodium dichromate and mercury(I) nitrate in an acidic solution.
6 answers
asked by
brian
963 views
If 3.15 mL of vinegar needs 42.5 mL of 0.115 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid
4 answers
asked by
Anonymous
5,014 views
If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal
4 answers
asked by
Keisha
2,604 views
Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00M
7 answers
asked by
Katherine
7,486 views
Gallium is obtained by electrolysis of its chlorides. Write the anode and cathode electrode equations which occur if you were to
6 answers
asked by
waine
625 views
A. What is the standard potential, in volts, of a galvanic cell made of Ce4+ and Cu2+, given the standard reduction potentials
4 answers
asked by
Morgan
3,121 views
Which action occurs at an electrode of a galvanic cell?
1.anion transfer 2. Electron transfer 3. Electron flow 4.anion flow
9 answers
asked by
Mommy102
2,229 views
Zn|ZnCl2(0.00165 M)||CuSO4(0.0125 M)|Cu
Find Ecell taking activities into account.
4 answers
asked by
amanda1012
2,919 views
Based on the standard reduction potentials given below, which species is most likely to be oxidized?
Ag+ + e- → Ag, Eo= 0.80 V
4 answers
asked by
James
4,308 views
Which of the following half-reactions would occur at the anode of an electrochemical cell?
A. H+(aq) + Cl− (aq) → HCl(aq) B.
6 answers
asked by
Morgan
2,185 views
Consider a galvanic cell with a beaker of Chromium(III) nitrate Cr(NO3)3 and a beaker of Copper(II) nitrate Cu(NO3)2. The
4 answers
asked by
Terio
530 views
1.0 M aqueous solutions of
AgNO3 , Cu(NO3 )2 and Au(NO3 ) 3 are electrolyzed in the apparatus shown, so the same amount of
4 answers
asked by
James
3,538 views
Cell Potential at Equilibrium
For a single galvanic cell based on the (unbalanced) reaction: Ag+(aq) + Zn(s) = Zn2+(aq) + Ag(s)
5 answers
asked by
Z
1,162 views
a) A current of 1.50 Amperes passes through a solution of AgNO3 for 3.0 hours. What mass, in grams, of silver collects on the
4 answers
asked by
Morgan
2,124 views
Given the following half-reactions and associated standard reduction potentials:
AuBr−4(aq)+3e−→Au(s)+4Br−(aq)
5 answers
asked by
Rebecca
5,303 views
A current of 45A is passing through a solution of gold salt for 1:45 minutes
a)calculate the mass of AU deposited b )number of
6 answers
asked by
precious
1,839 views
How long would it take in minutes to plate 1.00 gram of silver to a watch when 9.2 amps are passed through a silver (I) chloride
5 answers
asked by
Loon
916 views
A certain quantity of electric charge deposited 9.14 g of Al at the cathode during electrolysis of a solution of Al^+3(aq). What
5 answers
asked by
Wesley
604 views
How many grams of copper are deposited on the cathode of an electrolytic cell if an electric current of 2.00 A is passed through
5 answers
asked by
Durbin23
3,955 views
A metallic conductor through which electrons enter or leave the system of two half cells is called?
4 answers
asked by
Zika Presh
143 views
A voltaic cell utilizes the following reaction:
2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). What is the emf for this cell when [Fe3+]=
4 answers
asked by
Rebecca
6,996 views
Given that E^o = 0.52 V for the reduction of Cu+(aq) + e - (yields) Cu(s)
Calculate E^o, (delta)G^o and K for the following
5 answers
asked by
Julie
4,416 views
What is the activity coefficient of H^+ in a solution containing 0.073 M HCl and 0.0090 M Ca(ClO4)2?
What is the pH of the
5 answers
asked by
Sam
5,026 views
0.222g Of A Divalent Metal Is Deposited When A Current Of 0.45 Amperes Is Passed Through A Solution Of It's Salt For 25 Minutes
13 answers
asked by
Franklin
4,941 views
Q: Calculate ℰ° values for the following cells. Which reactions are spontaneous as written (under standard conditions)?
5 answers
asked by
.
5,143 views
Suppose that you want to construct a galvanic cell from nickel and cadmium. You use 0.01M sol of cadmium nitrate as one of the
5 answers
asked by
Keena
2,936 views
For the following battery:
Cd(s) | CdCl2(aq) || Cl–(aq) | Cl2(l) | C(s) Write the reduction half reaction for the C(s)
4 answers
asked by
Jematormal91
2,879 views
Calculate the amount of silver deposited at cathod when 5 ampere of current is passed for 50 minutes through a solution of AgNO3
7 answers
asked by
ali
2,647 views
How many seconds does it take to deposit 81.5 g of Zn on a steel gate when 21.0 A is passed through a ZnSO4 solution?
4 answers
asked by
JIm
2,634 views
2Al(s) + 6H+(aq) → 2Al3+(aq) + 3H2(g)
For the above Al-H2 cell, what is the voltage if [Al3+] = 6.0461 M, [H+] = 6.1 M, and the
4 answers
asked by
Anonymous
2,183 views
During the electrolysis of an aqueous solution of CuSO4 with inert electrodes
(A) the anode loses mass and the cathode gains
6 answers
asked by
LT
3,386 views
For the following electrochemical cell
Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 3.50 M)|Ag(s) write the net cell equation. I presume it
4 answers
asked by
Aki
8,098 views
To what pH should you adjust a standard hydrogen electrode to get an electrode potential of -0.124V V ? (Assume that the partial
4 answers
asked by
JAC
2,658 views
In an electrolysis experiment a student passes the same quantity of electricity
through two electrolytic cells containing silver
4 answers
asked by
O
571 views
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