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49. The thermodynamic quantity that expresses the extent of randomness in a system is A) enthalpy...
52. Based on the information in Table 20.1 below, which of the following is more likely...
52. Based on the information in Table 20.1 below, which of the following is more likely to spontaneously occur? Page 10 A) Silver (Ag*')ion is reduced to silver metal. B) Zinc (Zn) ion is reduced to zinc metal. C) Zinc metal is oxidized to zine (Zn) ion. D) Copper (Cu) metal is oxidized to copper ion (Cu) TABLE 20.1 - Standard Reduction Potentials in Water at 25°C EV Reduction Half-Reaction FAG) +262 Flag +1.51 Mno," + H+ 3M + 4H00...
1. Which metal can reduce Ni2+ ions but not Fe2+ ions? Cd²⁺，Cr，Sn²⁺，Sn，Cd 2.Which species can oxidize...
1. Which metal can reduce Ni2+ ions but not Fe2+ ions?
Cd²⁺，Cr，Sn²⁺，Sn，Cd
2.Which species can oxidize Sn but not Fe?
Ni，Ni²⁺，Pb²⁺，Cd，Pb
1.68 1.51 1.50 1.09 1.00 0.96 0.95 FAO) + 2 H,0,1a) + 2H(aq) + 2e PO4 + 4H"(aq) + S0,00) + 2€ Mno. (aq) + 4H(aq) + 3e Mno,aq) + 8H(aq) + 5e Au?+ (aq) + 3€ PbO (8) + 4H(aq) + 2 Cl@) + 2 Cr,0,?" (aq) + 14 H*(aq) + 6e 0,(@) + 4H(aq) + 4e MnO...
Consider the following species. Cut Ce3+ Ag+ Zn2+ What is the standard potential for the reaction...
Consider the following species. Cut Ce3+ Ag+ Zn2+ What is the standard potential for the reaction of Cut with Zn2+ to produce Cu2+ and Zn? E = 0.28 X v Will Cut be able to reduce Zn2+ to Zn? no (yes or no) What is the standard potential for the reaction of Ce3+ with Ag! to produce Ag? Ex= 0.90 x v Will Cell be able to reduce Ag! to Ag? yes (yer or no) Ered (V) 0.68 0.52 0.40...
Fill in the Blanks Ered (V) 0.68 0.52 0.40 0.34 0.16 0 Half Reaction Ered (V)...
Fill in the Blanks Ered (V) 0.68 0.52 0.40 0.34 0.16 0 Half Reaction Ered (V) Half Reaction F2+2e →2F 2.87 02 + 2H+ 2e →H,O, Ag?+ e → Ag 1.99 Cute → Cu Code → CO2 1.82 O2 + 2H,0 + 4e → 40H H,02 + 2H+ + 2e → 2H,0 1.78 Cu2+ + 2e → Cu Ce+ + → Ce+ 1.70 Cu2+ e → Cu PbO, + 4H* +502 +2e → PbSO4 + 2H,0 1.69 2H*+2e → H2...
Fill in the Blanks 0.34 Half Reaction E. (V) Half Reaction Erd® (V) F + 2e...
Fill in the Blanks 0.34 Half Reaction E. (V) Half Reaction Erd® (V) F + 2e →2F 0+ 2H + 2e →H,02 0.68 Ag* + e → Ag Cu* + e → Cu 0.52 Co? + e Co? O2 + 2H,0 + 4e → 40H 0.40 H,O, + 2H + 2e → 2H,0 Cu2+ + 2e → Cu Cet+e → Ces Cu2+ + e → Cut 0.16 PbO, + 4H+ +50,2 +2e → PbSO, + 2H,0 2H* + 2e →...
the standard reduction potential is attached below Use the table of standard reduction potentials for the...
the standard reduction potential is attached below
Use the table of standard reduction potentials for the following exercises. 4. Predict the products of the following redox reactions, then identify which could spontaneously occur. a) H(aq) + Au (s) → b) H (aq) + Na (8) ► c) Au+ (aq) + Na (5) ► 5. Find a reagent that can oxidize Br" to Br2 but cannot oxidize CI'' to Cl? More than one reagent is possible, but you only need to...
need help for half cell potentials pls calculate step by step (NOTE - Remember that the...
need help for half cell potentials pls calculate step by step
(NOTE - Remember that the positive electrode is attached to the red wire and the negative electrode is attached to the black wire.) Electrode Systems Used Anode (oxidation) Negative Cathode (reduction) Positive Measured Potential (V) Positive (Ecu) Copper and silver Cu() - Cu2+ + 2e" Ag+ +1e Ag) 0.432 V Zinc + Silver Zn cs + 2n**+ Zé dat + leº nAg (s) 1.484 V Copper & Zinc Zn(s)...
2.87 Ered® (V) 0.68 0.52 0.40 0.34 0.16 Half Reaction F,+ 2e →2F Ag* + e...
2.87 Ered® (V) 0.68 0.52 0.40 0.34 0.16 Half Reaction F,+ 2e →2F Ag* + e → Ag Co3 + e + CO2- H2O2 + 2H+ + 2e → 2H,0 Ce4+ + e → Ce+ PbO, + 4H+ + SO42- + 2e → PbSO, + 2H,0 Mno, + 4H+ + 3e → MnO2 + 2H,0 2e + 2H+ + 10, → 103 + H2O Mn0, +8H+ + 5e → Mn2+ + 4H,0 Aul+ + 3e → Au Cl2 + 2e...
the first picture is about some useful information, and the second picture is the question that...
the first picture is about
some useful information, and the second picture is the question
that bothers me. I wonder how we know the half-cell reaction of it.
Please explain!!!
TABLE 18.1 | Standard Reduction Potentials at 25°C (298 K) for Many Common Half-Reactions 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 Half-Reaction F2 + 2e →2F Ag2+ + e +Agt Co3- + e + CO2- H2O2 + 2H+ + 2e +2H20 Ce+ + e + Ce+ PbO2 +...
48. When we look at the relationship between AGº and K and the data in Table...
48. When we look at the relationship between AGº and K and the data in Table 19.5, what information can be extracted from the data? Page 9 TABLE 19.5 Relationship between AG and K at 298 K AG", kJ/mol K +200 9.1 x 10 +100 30 X 10-19 17 x 10 +10 18 x 10-2 67 x 10 0 1.0 15 -10 56 x 10 5.8 x 10 -100 3.3 x 107 -200 1.1 X 10 -10 A) When AG®...
52. Based on the information in Table 20.1 below, which of the following is more likely to spontaneously occur? Page 10 A) Silver (Ag*')ion is reduced to silver metal. B) Zinc (Zn) ion is reduced to zinc metal. C) Zinc metal is oxidized to zine (Zn) ion. D) Copper (Cu) metal is oxidized to copper ion (Cu) TABLE 20.1 - Standard Reduction Potentials in Water at 25°C EV Reduction Half-Reaction FAG) +262 Flag +1.51 Mno," + H+ 3M + 4H00...
1. Which metal can reduce Ni2+ ions but not Fe2+ ions?
Cd²⁺，Cr，Sn²⁺，Sn，Cd
2.Which species can oxidize Sn but not Fe?
Ni，Ni²⁺，Pb²⁺，Cd，Pb
1.68 1.51 1.50 1.09 1.00 0.96 0.95 FAO) + 2 H,0,1a) + 2H(aq) + 2e PO4 + 4H"(aq) + S0,00) + 2€ Mno. (aq) + 4H(aq) + 3e Mno,aq) + 8H(aq) + 5e Au?+ (aq) + 3€ PbO (8) + 4H(aq) + 2 Cl@) + 2 Cr,0,?" (aq) + 14 H*(aq) + 6e 0,(@) + 4H(aq) + 4e MnO...
Consider the following species. Cut Ce3+ Ag+ Zn2+ What is the standard potential for the reaction of Cut with Zn2+ to produce Cu2+ and Zn? E = 0.28 X v Will Cut be able to reduce Zn2+ to Zn? no (yes or no) What is the standard potential for the reaction of Ce3+ with Ag! to produce Ag? Ex= 0.90 x v Will Cell be able to reduce Ag! to Ag? yes (yer or no) Ered (V) 0.68 0.52 0.40...
Fill in the Blanks Ered (V) 0.68 0.52 0.40 0.34 0.16 0 Half Reaction Ered (V) Half Reaction F2+2e →2F 2.87 02 + 2H+ 2e →H,O, Ag?+ e → Ag 1.99 Cute → Cu Code → CO2 1.82 O2 + 2H,0 + 4e → 40H H,02 + 2H+ + 2e → 2H,0 1.78 Cu2+ + 2e → Cu Ce+ + → Ce+ 1.70 Cu2+ e → Cu PbO, + 4H* +502 +2e → PbSO4 + 2H,0 1.69 2H*+2e → H2...
Fill in the Blanks 0.34 Half Reaction E. (V) Half Reaction Erd® (V) F + 2e →2F 0+ 2H + 2e →H,02 0.68 Ag* + e → Ag Cu* + e → Cu 0.52 Co? + e Co? O2 + 2H,0 + 4e → 40H 0.40 H,O, + 2H + 2e → 2H,0 Cu2+ + 2e → Cu Cet+e → Ces Cu2+ + e → Cut 0.16 PbO, + 4H+ +50,2 +2e → PbSO, + 2H,0 2H* + 2e →...
the standard reduction potential is attached below
Use the table of standard reduction potentials for the following exercises. 4. Predict the products of the following redox reactions, then identify which could spontaneously occur. a) H(aq) + Au (s) → b) H (aq) + Na (8) ► c) Au+ (aq) + Na (5) ► 5. Find a reagent that can oxidize Br" to Br2 but cannot oxidize CI'' to Cl? More than one reagent is possible, but you only need to...
need help for half cell potentials pls calculate step by step
(NOTE - Remember that the positive electrode is attached to the red wire and the negative electrode is attached to the black wire.) Electrode Systems Used Anode (oxidation) Negative Cathode (reduction) Positive Measured Potential (V) Positive (Ecu) Copper and silver Cu() - Cu2+ + 2e" Ag+ +1e Ag) 0.432 V Zinc + Silver Zn cs + 2n**+ Zé dat + leº nAg (s) 1.484 V Copper & Zinc Zn(s)...
2.87 Ered® (V) 0.68 0.52 0.40 0.34 0.16 Half Reaction F,+ 2e →2F Ag* + e → Ag Co3 + e + CO2- H2O2 + 2H+ + 2e → 2H,0 Ce4+ + e → Ce+ PbO, + 4H+ + SO42- + 2e → PbSO, + 2H,0 Mno, + 4H+ + 3e → MnO2 + 2H,0 2e + 2H+ + 10, → 103 + H2O Mn0, +8H+ + 5e → Mn2+ + 4H,0 Aul+ + 3e → Au Cl2 + 2e...
the first picture is about
some useful information, and the second picture is the question
that bothers me. I wonder how we know the half-cell reaction of it.
Please explain!!!
TABLE 18.1 | Standard Reduction Potentials at 25°C (298 K) for Many Common Half-Reactions 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 Half-Reaction F2 + 2e →2F Ag2+ + e +Agt Co3- + e + CO2- H2O2 + 2H+ + 2e +2H20 Ce+ + e + Ce+ PbO2 +...
48. When we look at the relationship between AGº and K and the data in Table 19.5, what information can be extracted from the data? Page 9 TABLE 19.5 Relationship between AG and K at 298 K AG", kJ/mol K +200 9.1 x 10 +100 30 X 10-19 17 x 10 +10 18 x 10-2 67 x 10 0 1.0 15 -10 56 x 10 5.8 x 10 -100 3.3 x 107 -200 1.1 X 10 -10 A) When AG®...
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