Question
In: Chemistry
A magnesium electrode in 1 M MgSO4 and an iron electrode in 1 M FeSO4 are...
A magnesium electrode in 1 M MgSO4 and an iron electrode in 1 M FeSO4 are in electrical contact forming a galvanic cell. Determine the direction the electrons flow, write the reaction that occurs at the cathode and the reaction that occurs at the anode and finally determine the total emf for the reaction.
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
A galvanic cell consists of a iron electrode in 1 M Fe(NO3)2 and a copper electrode...
A galvanic cell consists of a iron electrode in 1 M Fe(NO3)2 and
a copper electrode in 1 M Cu(NO3)2. What is the equilibrium
constant for this reaction at 25oC? Enter you answer with 2
significant digits, using the syntax of "1.0x10(22)" for
"1.0x1022"
A galvanic cell consists of a iron electrode in 1 M Fe(NO3)2 and a copper electrode...
A galvanic cell consists of a iron electrode in 1 M Fe(NO3)2 and
a copper electrode in 1 M Cu(NO3)2. What is the equilibrium
constant for this reaction at 25oC? Enter you answer with 2
significant digits, using the syntax of "1.0x10(22)" for
"1.0x1022
What is the cell potential (emf, in V) of this cell at
25oC?
Cu |Cu2+ (0.0510 M) ‖ Br2 |Br-
(0.363 M)
What mass (in g) of aluminum can be electroplated when 0.855
amps are used...
Magnesium reacts with iron (II) Chloride to form magnesium chloride and iron. A mixture of 41.0g...
Magnesium reacts with iron (II) Chloride to form magnesium
chloride and iron. A mixture of 41.0g of magnesium and 175 g of
iron (II) chloride is allowed to react. Identify the limiting
reactant and determine the mass of the excess reactant.
An electrochemical cell, composed of an iron electrode (anode) immersed in 0.10 M Fe (NO3)2 and...
An electrochemical cell, composed of an iron electrode (anode)
immersed in 0.10 M Fe (NO3)2 and silver electrode (cathode)
immersed in 0.11M AgNO3, was found to have a cell potential of
1.21V. The standard reduction potential for Ag+ / Ag half-cell is
+0.80V. The standard reduction potential for the Fe+2/ Fe half –
cell is -0.45V.
1. Write the half-cell reaction at the anode.
2.Write the half –cell reaction at the Cathode
3.Write over all cell
reaction
4. Determine the...
Which of these metals does not act as a sacrificial electrode for iron?
Which of these metals does not act as a sacrificial electrode
for iron?MgMn ZnCu
You mix 25.0ml of 6.0m LiOH with 75.0ml of MgSO4. Magnesium hydroxide precipitates from the solution....
You mix 25.0ml of 6.0m LiOH with 75.0ml of MgSO4. Magnesium
hydroxide precipitates from the solution.
A. Write a balanced equation for the reaction.
B. What concentration of MgSO4 is required to react with all the
LiOH?
C. What mass of magnesium hydroxide is produced?
D. What is the final concentration of Li2SO4(aq)?
Consider Galvanic cell consisting of a Mg electrode immersed in a solution of magnesium nitrate and...
Consider Galvanic cell consisting of a Mg electrode immersed in
a solution of magnesium nitrate and a silver electrode immerse in a
solution of silver nitrate. Knowing that Mg2++2e—>Mg(s) -2.37V;
and Ag+e—> Ag(s). +8.0V
A)what value of the reaction quotient could trigger a change in the
spontaneity of the reaction?
B)If the [Mg2+]was equal to 1.0*10^-10M for the value of the
reaction quotient In A), what would be the [Ag+]?
Sketch and briefly explain a cell composed of 1 M CuSO4, Cu electrode and 1 M...
Sketch and briefly explain a cell composed of 1 M CuSO4, Cu
electrode and 1 M ZnSO4 and a Zn electrode, Calculate the Emf and
don’t forget to show the salt bridge.
What are the net ionic equations for... - Magnesium and HCl - Iron and HCl -...
What are the net ionic equations for...
- Magnesium and HCl
- Iron and HCl
- Copper and HCl
- Zinc and HCl
- Tin and HCl
- Lead and HCl
A piece of magnesium can be attached to the iron hull of a boat to prevent...
A piece of magnesium can be attached to the iron hull of a boat
to prevent it from rusting.
Why is the magnesium called a sacrificial metal?
How does the Mg keep the iron hull from rusting?
Which can be thought of as the positive cathode, the Mg or the
steel hull? Explain.
Putting a block of Mg on a steel boat hull does not create a
battery. Why not?
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