15) Calculate the AG°₁ AHᵒf (kJ/mol) S°(J/mol K A) +50.8 kJ rxn at 298 K using the following information. 2 HNO3(aq) + NO(g) → 3 NO2(g) + H₂O(l) -207.0 91.3 33.2 -285.8 146.0 210.8 240.1 70.0 B) -151 kJ C) +222 kJ A) Co2+ (aq) + e- → > Co(s) C) Co2+ (aq) + 2e- → Co(s) AG°rxn = ? C) Ag+ (aq) D) -85.5 kJ 16) What is the reducing agent in the redox reaction represented by the following cell notation? Ni(s) | Ni2+ (aq) || Ag+ (aq) | Ag(s) B) Pt A) Ag(s) 17) What is the reduction half-reaction for the following overall galvanic cell reaction? Co2+(aq) + 2 Ag(s) → Co(s) + 2 Ag+(aq) D) Ni(s) E) -186 kJ B) Ag+ (aq) + e- → Ag(s) Ag+ (aq) D) Ag(s) + e- E) Ni2+ (aq)
15) Calculate the AG°₁ AHᵒf (kJ/mol) S°(J/mol K A) +50.8 kJ rxn at 298 K using the following information. 2 HNO3(aq) + NO(g) → 3 NO2(g) + H₂O(l) -207.0 91.3 33.2 -285.8 146.0 210.8 240.1 70.0 B) -151 kJ C) +222 kJ A) Co2+ (aq) + e- → > Co(s) C) Co2+ (aq) + 2e- → Co(s) AG°rxn = ? C) Ag+ (aq) D) -85.5 kJ 16) What is the reducing agent in the redox reaction represented by the following cell notation? Ni(s) | Ni2+ (aq) || Ag+ (aq) | Ag(s) B) Pt A) Ag(s) 17) What is the reduction half-reaction for the following overall galvanic cell reaction? Co2+(aq) + 2 Ag(s) → Co(s) + 2 Ag+(aq) D) Ni(s) E) -186 kJ B) Ag+ (aq) + e- → Ag(s) Ag+ (aq) D) Ag(s) + e- E) Ni2+ (aq)
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 3RQ: What determines Ssurr for a process? To calculate Ssurr at constant pressure and temperature, we use...
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Transcribed Image Text:15) Calculate the AG°₁
AHᵒf (kJ/mol)
S°(J/mol K
A) +50.8 kJ
rxn
at 298 K using the following information.
A) Ag(s)
2 HNO3(aq) + NO(g) → 3 NO2(g) + H₂O(1)
- 207.0
91.3
33.2 - 285.8
146.0
210.8
240.1
70.0
B) -151 kJ
B) Pt
C) +222 kJ
16) What is the reducing agent in the redox reaction represented by the following cell notation?
Ni(s) | Ni2+ (aq) || Ag+ (aq) | Ag(s)
A) Co2+ (aq) + e- → Co(s)
C) Co2+(aq) + 2e- → Co(s)
AGᵒrxn = ?
C) Ag+ (aq)
D) -85.5 kJ
D) Ni(s)
17) What is the reduction half-reaction for the following overall galvanic cell reaction?
Co2+(aq) + 2 Ag(s) → Co(s) + 2 Ag+(aq)
E) -186 kJ
B) Ag+ (aq) + e- → Ag(s)
D) Ag(s) + e- → Ag+ (aq)
E) Ni2+ (aq)
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