Question

When the **Cu ^{2+}** concentration is

Answer: ______M

Answer #1

A) When the Cu2+ concentration is
1.07 M, the observed cell potential at 298K for an
electrochemical cell with the following reaction is
1.607V. What is the
Mn2+ concentration?
Cu2+(aq) +
Mn(s)-->
Cu(s) +
Mn2+(aq)
Answer: _____ M
B) When the Cu2+ concentration is
5.71×10-4 M, the observed cell
potential at 298K for an electrochemical cell with the following
reaction is 2.609V. What is the
Mg2+ concentration?
Cu2+(aq) +
Mg(s)--->
Cu(s) +
Mg2+(aq)
Answer: _____ M
C) When the Cu2+...

What is the calculated value of the cell potential at 298K for
an electrochemical cell with the following reaction, when the Cu2+
concentration is 1.44 M and the Mg2+ concentration is 1.47×10-4 M
?
Cu2+(aq) + Mg(s) Cu(s) + Mg2+(aq)
Answer: V
The cell reaction as written above is spontaneous for the
concentrations given:
_______
true
false

When [ Pb2+] = 1.00
M, the observed cell potential at 298K for an electrochemical cell
with the reaction shown below is 1.611 V. What is
the Al3+concentration in this
cell?
3
Pb2+(aq) +
2 Al (s)
----> 3 Pb
(s) + 2
Al3+(aq)
[ Al3+] = ______M

1. What is the calculated value of the cell potential at 298K
for an electrochemical cell with the following reaction, when the
Pb2+ concentration is
4.09×10-4 M and the
Mg2+ concentration is
1.03 M ?
Pb2+(aq) +
Mg(s) --->
Pb(s) +
Mg2+(aq)
Answer: ___V
The cell reaction as written above is spontaneous for the
concentrations given____. (true or false)
(From the table of standard reduction potentials: )
Pb2+(aq) + 2 e- --> Pb(s)
-0.126
Mg2+(aq) + 2 e- --> Mg(s)...

What is the calculated value of the cell potential at 298K for
an electrochemical cell with the following reaction, when the Cu2+
concentration is 1.23 M and the Cr3+ concentration is 5.82×10-4 M ?
3Cu2+(aq) + 2Cr(s)-->3Cu(s) + 2Cr3+(aq) Answer: V The cell
reaction as written above is spontaneous for the concentrations
given

What is the calculated value of the cell potential at 298K for
an electrochemical cell with the following reaction, when the Cu2+
concentration is 7.38×10-4 M and the Al3+ concentration is 1.43 M
?
3Cu2+(aq) + 2Al(s)3Cu(s) + 2Al3+(aq)
Answer: V
The cell reaction as written above is spontaneous for the
concentrations given: True or False?

A) What is the calculated value of the cell potential at 298K
for an electrochemical cell with the following reaction, when the
Cl2 pressure is
8.15×10-4 atm, the
Cl- concentration is
1.48M, and the Pb2+
concentration is 1.07M ?
Cl2(g) +
Pb(s) --->
2Cl-(aq)
+ Pb2+(aq)
Answer: _____ V
The cell reaction as written above is spontaneous for the
concentrations given:____ ( TRUE/FALSE )
B)What is the calculated value of the cell potential at 298K for
an electrochemical cell with...

What is the calculated value of the cell potential at 298K for
an electrochemical cell with the following reaction, when the Pb2+
concentration is 1.20 M and the Mn2+ concentration is 5.43×10-4 M
?
Pb2+(aq) + Mn(s) Pb(s) + Mn2+(aq)
Answer: in V
The cell reaction as written above is spontaneous for the
concentrations given: true or false?

Given a potential of 0.456 V, for the following electrochemical
cell, what is the concentration of Ag+?
Cu2+(aq) (1.0 M)|Cu(s)||Ag+(aq)|Ag(s)

The cell potential of the following electrochemical cell depends
on the pH of the solution in the anode half-cell:
Pt(s)|H2(g,1atm)|H+(aq,?M)||Cu2+(aq,1.0M)|Cu(s). What is the pH of
the solution if Ecell is 360 mV ?

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