Question
In: Chemistry
Determine the overall reaction and its standard cell potential at 25 °C for the reaction involving...
Determine the overall reaction and its standard cell potential at 25 °C for the reaction involving the galvanic cell made from a half-cell consisting of a silver electrode in 1 M silver nitrate solution and a half-cell consisting of a zinc electrode in 1 M zinc nitrate. Is the reaction spontaneous at standard conditions?
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
For each reaction listed, determine its standard cell potential at 25 °C and whether the reaction...
For each reaction listed, determine its standard cell potential
at 25 °C and whether the reaction is spontaneous at standard
conditions.
Ag+(aq) + Cu(s)
àCu2+(aq)+ Ag(s)
Ag+ + e− ⟶ Ag +0.7996V
Cu2+ + 2e− ⟶ Cu +0.337V
a)
-1.117(nonspontaneous)
-0.4626V (nonspontaneous)
+0.4626V (spontaneous)
+1.117 (spontaneous)
For each reaction listed, determine its standard cell potential (in V) at 25°C and whether the...
For each reaction listed, determine its standard cell potential
(in V) at 25°C and whether the reaction is spontaneous at standard
conditions.
(a)
Co2+(aq) + Mg(s) → Co(s) +
Mg2+(aq)
ΔE° = V
(b)
2 Al(s) + 3 Cu2+(aq) → 2
Al3+(aq) + 3 Cu(s)
ΔE° = V
(c)
Ag(s) + Cu(NO3)2(aq) →
AgNO3(aq) + CuNO3(aq)
ΔE° =
(d)
Ni(s) + Zn(NO3)2(aq) →
Ni(NO3)2(aq) + Zn(s)
ΔE° =
For each reaction listed, determine its standard cell potential (in V) at 25°C and whether the...
For each reaction listed, determine its standard cell potential
(in V) at 25°C and whether the reaction is spontaneous at standard
conditions.
(a) 2 Au(s) + 3 Zn2+(aq) → 2 Au3+(aq) + 3 Zn(s)
(b) Co2+(aq) + Hg(l) →
Co(s) + Hg2+(aq)
(c) Cu(s) +
Fe(NO3)3(aq) →
CuNO3(aq) +
Fe(NO3)2(aq)
(d)
Sn(NO3)2(aq) + Zn(s) →
Sn(s) + Zn(NO3)2(aq)
Determine the standard cell potential and the cell potential under the stated conditions for the electrochemical...
Determine the standard cell potential and the cell potential
under the stated conditions for the electrochemical
reactions described here. State whether each is spontaneous or
nonspontaneous under each set of conditions at
298.15 K.
(a) Hg(l) + S2-(aq, 0.10 M) + 2Ag+(aq, 0.25 M) ⟶ 2Ag(s) +
HgS(s)
(b) The galvanic cell made from a half-cell consisting of an
aluminum electrode in 0.015 M aluminum nitrate
solution and a half-cell consisting of a nickel electrode in 0.25 M
nickel(II) nitrate...
Calculate the cell potential for the galvanic cell in which the following reaction occurs at 25...
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)
The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s)...
The standard emf for the cell using the overall cell reaction
below is +2.20 V:
2Al(s) + 3I2(s) →→ 2AI3+(aq) +
6I-(aq)
The emf generated by the cell when [AI3+] = 3.5 ×
10-3 M and [I-] = 0.30 M is ________ V.
What is the cell potential of the following cell at 25 oC? Standard Reduction table Cr...
What is the cell potential of the following cell at 25
oC?
Standard Reduction table
Cr / Cr3+ (0.053 M) // Ag1+ (0.52 M) /
Ag
E=____________ V
The standard cell potential for the nickel–cadmium battery is 1.35 V, and the cell reaction can...
The standard cell potential for the nickel–cadmium battery is
1.35 V, and the cell reaction can be written as
2NiO(OH)(s) + 2H2O(l) + Cd(s) ? 2Ni(OH)2(s) + Cd(OH)2(s)
Which one of the following statements do you expect to be true
based on the Nernst equation? Note Q =
reaction quotient, and K = equilibrium constant for the cell
reaction:
a. As the battery is used, the cell voltage approaches zero
because Q approaches K, in value.
b. When the battery...
Based on the following cells, determine the (i) cell reaction, (ii) electrode half-reactions and (iii) standard potential.
Based on the following cells, determine the (i) cell reaction, (ii) electrode half-reactionsand (iii) standard potential. Then, based on the standard potential, determine if the cellcan be used as spontaneous voltaic cell or nonspontaneous electrolytic cell.
(a) Pt|Ti3+(aq), Ti2+(aq)||Sn4+(aq), Sn2+(aq)|Pt(b) Mg|Mg2+(aq)||Mn2+(aq), H+ (aq)|MnO2(s)|Pt(c) Pt|F2(g)|HF(aq)||K2CrO4(aq)|Ag2CrO4(s)|Ag
Predict the standard cell potential and calculate the standard reaction Gibbs free energy for galvanic cells...
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)
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