.1. Refer to the table of standard reduction potentials. Standard Reduction Potentials at 25C Reduction Hall-Reaction FA 2 2PI 2 HOn Mn 4Hon 2 Cra 287 1.78 1.51 130 Cpa)+ 14(ag- 20ag)- 7 HOn 1.30 123 2 Brag) Ag) 1.00 Agag F O.0 077 (be 0.70 054 4 OHA Cu) 0.40 Cuag)+ 2 Sa 2e 034 0.15 H -0.13 -0.26 Nag 2 Ca. 2 F 2e Znag+ 2e 2HON- 24 Aag 3 Mg(ag 2 Na"ag N) -0.40 Fe) 045 -0.76 Ha- 2 OHag -0.83 -1.66 -2.37 Naa) -2.71 -304 Calculate E for the following reaction. Ni(s) + Zn"(aq) -→ Ni"(aq) + Zn(s) 2. When the following half-cell reactions are added in the simplest way, what is the value of n, the moles of electrons transferred?
.1. Refer to the table of standard reduction potentials. Standard Reduction Potentials at 25C Reduction Hall-Reaction FA 2 2PI 2 HOn Mn 4Hon 2 Cra 287 1.78 1.51 130 Cpa)+ 14(ag- 20ag)- 7 HOn 1.30 123 2 Brag) Ag) 1.00 Agag F O.0 077 (be 0.70 054 4 OHA Cu) 0.40 Cuag)+ 2 Sa 2e 034 0.15 H -0.13 -0.26 Nag 2 Ca. 2 F 2e Znag+ 2e 2HON- 24 Aag 3 Mg(ag 2 Na"ag N) -0.40 Fe) 045 -0.76 Ha- 2 OHag -0.83 -1.66 -2.37 Naa) -2.71 -304 Calculate E for the following reaction. Ni(s) + Zn"(aq) -→ Ni"(aq) + Zn(s) 2. When the following half-cell reactions are added in the simplest way, what is the value of n, the moles of electrons transferred?
Introductory Chemistry: A Foundation
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Chapter10: Energy
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.1. Refer to the table of standard reduction potentials.
Standard Reduction Potentials at 25 C
Reduction Half-Reaction
(V)
FAg + 2 €
H2O{aq) + 2 H*(aq)+ 2 6
Mno,taq) + 8 H*(aq) + 5 &
Clalg) + 2 e
CrOFMaq)+ 14 H*(aq) + 6 6-
Ozlg + 4 H*(aq) + 4 &
Bra() + 26
Ag*(aq) + e
Fe*(aq) + e
Ozl9) + 2 H'(aq) + 2 €
2(s)+ 26
Ozlg) + 2 HO) + 46
Cu (aq) + 2 €
Sn" (ag)+ 2 6
2 P(aq)
2 H2O()
→ Mn(aq) + 4 H;0()
→2 cr(aq)
2 Cr (aq)+ 7 H0()
→2 HO()
2 Br(aq)
Ag(s)
» Fe*(aq)
→H;Oz(aq)
→2 F(aq)
→4 OH"(aq)
2.87
1.78
1.51
1.36
1.33
3.
1.23
1.09
0.80
0.77
0.70
0.54
0.40
» Cu(s)
→ Sr*(aq)
0.34
0.15
2 H*(aq) + 2 &
» H2l9)
Pb(aq)+ 26
Ni 2(aq) + 2 €
Cdr (aq) + 26
F*(ag) + 26
Zn(aq) + 2 €
2 HO() + 2 6
Al(aq)+ 3 e
Mg (aq) + 2 6
» Pb(s)
→ Ni( s)
→ Cd(s)
Fels)
-0.13
-0.26
-0.40
-0.45
→ Zn(s)
H2(g) + 2 OH"(aq)
→ Al( s)
-0.76
-0.83
-1.66
→ Mg(s)
Na(s)
» Li(s)
-2.37
Na*(aq) + e
-2.71
Li*(aq) + e
-3.04
Calculate E°
cell
for the following reaction.
Ni(s) + Zn* (aq) –→ Ni**(aq) + Zn(s)
.2.
When the following half-cell reactions are added in the simplest way, what is the value of
n, the moles of electrons transferred?
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