What is the shorthand notation for a galvanic cell that uses the
reaction shown below?
1) 3Zn(s)+Cr2O72−(aq)+14H+(aq)→3Zn2+(aq)+2Cr3+(aq)+7H2O(l)
2)
2Al(s)+3Fe2+(aq)→2Al3+(aq)+3Fe(s)
Calculate the cell potential for the galvanic cell in which the
following reaction occurs at 25 °C, given that [Al3 ] = 0.00120 M
and [Au3 ] = 0.787 M.
Al (s) + Au^3+ (aq) <===> Al^3+ (aq) + Au (s)
For the following redox reaction in a galvanic cell, write the
oxidation half-reaction and the reduction-half reaction, and
calculate the standard cell potential of the reaction. Use Table 1
in the Background as needed. Explain how you identified which
half-reaction is the oxidizer and which is the reducer. Balance the
equation. Show your work. (8pts)
Al(s) +
Ag+1(aq)à
Ag(s) +
Al+3(aq)
Please type your answer out
please
Consider a galvanic cell based in the reaction Fe2+ +
Cr2O72- → Fe3+ +
Cr3+ in acidic solution. What is the coefficient of
Fe3+in the balanced equation?
Reference: Ref 18-2
Select one:
a.
3
b.
4
c.
none of these
d.
6
e.
2
A galvanic cell (battery) is represented by the shorthand below.
Look up the standard half cell potentials in your textbook or on
the internet. (Make sure you select the half reactions that
have all the species required, and no other species.)
Cd(s) / Cd2+ // IO3- , H+,
Cl-, ICl2- / Pt(s)
(a) Calculate Eo for this battery.
(b) What is the oxidizing agent (chemical formula of the
species, not just the element)?
What is the reducing agent (chemical...
for each reaction described below, write the conventional
equation, ionic equation,and net ionic equation. include
designations of state or solutions in each equation.
A) Hydrogen is released when sodium reacts with water.
B) Hydroiodic acid reacts with a solution of ammonium
sulfite.
C) Solid copper (II) hydroxide is "dissolved" by hydrochloric
cid.
D) Sodium hydroxide solution is poured into a solution of cobalt
(II) chloride.
E) Calcium metal reacts with a solution of iron (II)
bromide.
F) Hydrochloric acid reacts...
A Galvanic cell is constructed based on the following reaction
and initial concentrations: Fe2+ (0.0050 M) + Ag+ (2.0 M) --->
Fe3+ (0.0050 M) + Ag(s) Calculate [Fe2+] when the cell reaction
reaches equilibrium.
Predict the standard cell potential and calculate the standard
reaction Gibbs free energy for galvanic cells having the following
cell reactions:
a) 3 Zn(s) +2Bi^3+(aq)--> 3 Zn^2+(aq) + 2Bi(s)
b) 2 H2(g) + O2(g)--> 2 H2O(l) in acidic solution
c)2 H2(g) +O2(g)--> 2 H2O(l) in basic solution
d) 3 Au+(aq) --> 2 Au(s) + Au^3+ (aq)