Use the References to access important values if needed for this question. Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard free energy change in kJ for the reaction: Cu²+ (aq) + Cr²+ (aq) → Cu*(aq) + Cr³+ (aq) Answer: kJ K for this reaction would be than one. Submit Answer Retry Entire Group 9 more group attempts remaining
Use the References to access important values if needed for this question. Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard free energy change in kJ for the reaction: Cu²+ (aq) + Cr²+ (aq) → Cu*(aq) + Cr³+ (aq) Answer: kJ K for this reaction would be than one. Submit Answer Retry Entire Group 9 more group attempts remaining
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![Use the References to access important values if needed for this question.
Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard free energy change in kJ for the reaction:
Cu?+ (aq) + Cr²+ (aq) → Cu* (aq) + Cr³+ (aq)
Answer:
kJ
K for this reaction would be
than one.
Submit Answer
Retry Entire Group
9 more group attempts remaining](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1ea64ab9-a648-4310-b850-7545b4e1f826%2F0f6d087a-22ac-450b-824b-7f415d3c1f19%2Fwg3q0os_processed.png&w=3840&q=75)
Transcribed Image Text:Use the References to access important values if needed for this question.
Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard free energy change in kJ for the reaction:
Cu?+ (aq) + Cr²+ (aq) → Cu* (aq) + Cr³+ (aq)
Answer:
kJ
K for this reaction would be
than one.
Submit Answer
Retry Entire Group
9 more group attempts remaining
![Standard Reduction (Electrode) Potentials at 25 °C
Half-Cell Reaction
E° (volts)
F2(g) + 2 e→ 2 F(aq)
2.87
Cet*(aq) + e" -
> Ce3*(aq)
1.61
MnO4°(aq) + 8 H"(aq) + 5 e¯
→ Mn2"(aq) +4 H20(1)
1.51
Cl2(g) + 2 e –2 Cl'(aq)
1.36
Cr20,2 (aq) + 14 H*(aq) + 6 e
→ 2 Cr*(aq) +7 H20(1)
1.33
O2(g) + 4 H*(aq) + 4 e →2 H2O(1)
1.229
Br2(1) + 2 e–2 Br (aq)
1.08
NO3 (aq) + 4 H*(aq) + 3 e
NO(g) + 2 H20(1)
0.96
2 Hg²*(aq) + 2 e
Hg22*(aq)
0.920
Hg2*(aq) + 2 e".
→ Hg(1)
0.855
Ag"(aq) + e¯ – Ag(s)
0.799
Hg22"(aq) +2 e →2 Hg(1)
0.789
Fe3*(aq) + e
Fe2*(aq)
0.771
I2(s) + 2 e .
→2 1 (aq)
0.535
Fe(CN)6 (aq) + e
Fe(CN),+(aq)
0.48
Cu2+(aq) + 2 e → Cu(s)
0.337
Cu²*(aq) + e¯ → Cu*(aq)
0.153
Half-Cell Reaction
E° (volts)
S(s) + 2 H*(aq) +2 e¯ → H2S(aq)
0.14
2 H*(aq) + 2 e
→ H2(g)
0.0000
Pb2*(aq) + 2 e
→ Pb(s)
-0.126
Sn2*(aq) + 2 e
→ Sn(s)
-0.14
Ni2*(aq) + 2 e".
Ni(s)
-0.25
Co2+(aq) + 2 e¯ -
→ Co(s)
-0.28
Cd2+(aq) + 2 e → Cd(s)
-0.403
Cr³*(aq) + e¯
→ Cr²*(aq)
-0.41
Fe2*(aq) + 2 e¯ → Fe(s)
-0.44
Cr*(aq) + 3 e → Cr(s)
-0.74
Zn2+,
*(aq) + 2 e¯ → Zn(s)
-0.763
2 H20(1) + 2 e
→ H2(g) + 2 OH"(aq)
-0.83
Mn2*(aq) + 2 e
Mn(s)
-1.18
>
Al3*(aq) + 3 e¯
» Al(s)
-1.66
Mg2*(aq) + 2 e"
→ Mg(s)
-2.37
Na*(aq) + e¯ –→ Na(s)
-2.714
K*(aq) + e¯ –→K(s)
-2.925
Li*(aq) + e
→Li(s)
-3.045](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1ea64ab9-a648-4310-b850-7545b4e1f826%2F0f6d087a-22ac-450b-824b-7f415d3c1f19%2Fqccnw4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Standard Reduction (Electrode) Potentials at 25 °C
Half-Cell Reaction
E° (volts)
F2(g) + 2 e→ 2 F(aq)
2.87
Cet*(aq) + e" -
> Ce3*(aq)
1.61
MnO4°(aq) + 8 H"(aq) + 5 e¯
→ Mn2"(aq) +4 H20(1)
1.51
Cl2(g) + 2 e –2 Cl'(aq)
1.36
Cr20,2 (aq) + 14 H*(aq) + 6 e
→ 2 Cr*(aq) +7 H20(1)
1.33
O2(g) + 4 H*(aq) + 4 e →2 H2O(1)
1.229
Br2(1) + 2 e–2 Br (aq)
1.08
NO3 (aq) + 4 H*(aq) + 3 e
NO(g) + 2 H20(1)
0.96
2 Hg²*(aq) + 2 e
Hg22*(aq)
0.920
Hg2*(aq) + 2 e".
→ Hg(1)
0.855
Ag"(aq) + e¯ – Ag(s)
0.799
Hg22"(aq) +2 e →2 Hg(1)
0.789
Fe3*(aq) + e
Fe2*(aq)
0.771
I2(s) + 2 e .
→2 1 (aq)
0.535
Fe(CN)6 (aq) + e
Fe(CN),+(aq)
0.48
Cu2+(aq) + 2 e → Cu(s)
0.337
Cu²*(aq) + e¯ → Cu*(aq)
0.153
Half-Cell Reaction
E° (volts)
S(s) + 2 H*(aq) +2 e¯ → H2S(aq)
0.14
2 H*(aq) + 2 e
→ H2(g)
0.0000
Pb2*(aq) + 2 e
→ Pb(s)
-0.126
Sn2*(aq) + 2 e
→ Sn(s)
-0.14
Ni2*(aq) + 2 e".
Ni(s)
-0.25
Co2+(aq) + 2 e¯ -
→ Co(s)
-0.28
Cd2+(aq) + 2 e → Cd(s)
-0.403
Cr³*(aq) + e¯
→ Cr²*(aq)
-0.41
Fe2*(aq) + 2 e¯ → Fe(s)
-0.44
Cr*(aq) + 3 e → Cr(s)
-0.74
Zn2+,
*(aq) + 2 e¯ → Zn(s)
-0.763
2 H20(1) + 2 e
→ H2(g) + 2 OH"(aq)
-0.83
Mn2*(aq) + 2 e
Mn(s)
-1.18
>
Al3*(aq) + 3 e¯
» Al(s)
-1.66
Mg2*(aq) + 2 e"
→ Mg(s)
-2.37
Na*(aq) + e¯ –→ Na(s)
-2.714
K*(aq) + e¯ –→K(s)
-2.925
Li*(aq) + e
→Li(s)
-3.045
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