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Given the following half reactions what is the voltage of the galvanic cell that would result...
please answer all wueston Question 33 (3 points) (33) For a galvanic cell notation: (-) Ni...
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Question 33 (3 points) (33) For a galvanic cell notation: (-) Ni /Ni2+ (aq) // Au3+ (aq) / Au (+), The electrode potentials: Eº (Ni2+/ Ni) = -0.257 V, E ° (AU3+ / Au ) = 1.498 V. The cell potential Eºcell (a) 1.241 V (b) - 1.755 V O (0) 1.755 V (d) 1.498 Why Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) / Cu2+ (aq) / Cu(+), the correct half...
need answers for all questions Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+...
need answers for all questions
Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) // Cu2+ (aq) / Cu (+), the correct half reactions are 0 (a) Cr3+ (a) Cr3+ + 3e → Crat (-) electrode; Cu+ 2e → Cu2+ at (+) electrode (b) Cr - 3e → Cr3+ at (-) electrode; Cu2+ + 2e → 2 Cu at (+) electrode Occ) cr (c) Cr + 3e → Cr3+ at (-) electrode; Cu2+ - 2e → Cu...
A galvanic cell based on the following reactions Cu 2+ (aq) + 2e- + Cu(s) E°=0.339...
A galvanic cell based on the following reactions Cu 2+ (aq) + 2e- + Cu(s) E°=0.339 V (AD + 14H(aq) + 6e-4 2Cr 3+(aq) + 7 H2O(1) Eo=1.330 V a) Write the overall cell reaction and determine its voltage. b) If the E value of the galvanic cell is 1.2 le of the galvanic cell is 1.254 V, calculate the pH of the cell when [Cu2+]=0.00010 M, Cr-0,2-1=0.00460 M, Cr3+1=1.0x102 M. The Nerst equation is E=E - (0.0592/n)logQ
Consider a galvanic cell based on the following half reactions: E° (V) Mg2+ + 2e +...
Consider a galvanic cell based on the following half reactions: E° (V) Mg2+ + 2e + Mg -2.37 Cr3+ + 3e → Cr -0.73 What number of electrons are transferred per unit of cell reaction? Submit Hide Hints Hint 1 You must balance the cell reaction to determine the number of electrons transferred. This is the number that appears in the two half reactions after you have multiplied them by the appropriate integers so that when they are added together...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction +...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss cell Write a balanced equation for the half-reaction that happens at the cathode Write a balanced equation for the half-reaction that happens at the anode Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous...
The standard reduction potentials of the following half-reactions are given in Appendix E in the textbook:...
The standard reduction potentials of the following half-reactions are given in Appendix E in the textbook: Ag+(aq)+e−→Ag(s)= .799 Cu2+(aq)+2e−→Cu(s)= .337 Ni2+(aq)+2e−→Ni(s)= -.28 Cr3+(aq)+3e−→Cr(s). = -.74 1. Determine which combination of these half-cell reactions leads to the cell reaction with the largest positive cell emf. 1st and 2nd, 1st and 3rd, 1st and 4th, 2nd and 3rd, 3rd and 4th. It isn't the first or last one because I have gotten it wrong twice. 2. Calculate the value of this emf....
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ecd=-0.13...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ecd=-0.13 V Cro2 (aq)+4 H2O(1)+3e" → Cr(OH)3(s)+50H (aq) Cu2+ (aq)+e → Cut(aq) = +0.153 V Answer the following questions about this cell. 0-0 Write a balanced equation for the half-reaction that happens at the cathode. DI X Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction...
What is the E cell for the cell represented by the combination of the following half-...
What is the E cell for the cell represented by the combination of the following half- reactions? 2Hg2+(aq) + 2e" =Hg22+(aq); E°= 0.92 V Cr3+ (aq) + 3e Cr(s); E°= -0.74 V O 1) -0.18 V O2) 0.18 V 03) 1.28 V 4) 1.66 V 05) 2.12 V
Find the best combination of half-cell pair from the following list, which will give the highest...
Find the best combination of half-cell pair from the following list, which will give the highest voltage. What is the voltage for that Galvanic cell? Given that Reduction Half-reaction Standard Potential (Eredo) Zn2+(aq) + 2e– → Zn(s) -0.763 (V) Fe2+(aq) + 2e– → Fe(s) -0.44 (V) Cu2+(aq) + 2e– → Cu(s) +0.34 (V) Sn2+(aq) + 2e– → Sn(s) -0.14 (V) Cu2+(aq) + e– → Cu+(aq) + 0.153 (V) Ag+(aq) + e– → Ag(s) + 0.80 (V) Cu+(aq) + e– →...
What is the standard electrode potential for a galvanic cell constructed in the appropriate way from...
What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two nan-cers Reduction Half-Reactions Cu2(aq) + 2e- Cu(s) AP ) 3e- A ) Ecel +0.34 V -1.66V +4.34V +2.00 V 200V 112V
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Question 33 (3 points) (33) For a galvanic cell notation: (-) Ni /Ni2+ (aq) // Au3+ (aq) / Au (+), The electrode potentials: Eº (Ni2+/ Ni) = -0.257 V, E ° (AU3+ / Au ) = 1.498 V. The cell potential Eºcell (a) 1.241 V (b) - 1.755 V O (0) 1.755 V (d) 1.498 Why Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) / Cu2+ (aq) / Cu(+), the correct half...
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Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) // Cu2+ (aq) / Cu (+), the correct half reactions are 0 (a) Cr3+ (a) Cr3+ + 3e → Crat (-) electrode; Cu+ 2e → Cu2+ at (+) electrode (b) Cr - 3e → Cr3+ at (-) electrode; Cu2+ + 2e → 2 Cu at (+) electrode Occ) cr (c) Cr + 3e → Cr3+ at (-) electrode; Cu2+ - 2e → Cu...
A galvanic cell based on the following reactions Cu 2+ (aq) + 2e- + Cu(s) E°=0.339 V (AD + 14H(aq) + 6e-4 2Cr 3+(aq) + 7 H2O(1) Eo=1.330 V a) Write the overall cell reaction and determine its voltage. b) If the E value of the galvanic cell is 1.2 le of the galvanic cell is 1.254 V, calculate the pH of the cell when [Cu2+]=0.00010 M, Cr-0,2-1=0.00460 M, Cr3+1=1.0x102 M. The Nerst equation is E=E - (0.0592/n)logQ
Consider a galvanic cell based on the following half reactions: E° (V) Mg2+ + 2e + Mg -2.37 Cr3+ + 3e → Cr -0.73 What number of electrons are transferred per unit of cell reaction? Submit Hide Hints Hint 1 You must balance the cell reaction to determine the number of electrons transferred. This is the number that appears in the two half reactions after you have multiplied them by the appropriate integers so that when they are added together...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss cell Write a balanced equation for the half-reaction that happens at the cathode Write a balanced equation for the half-reaction that happens at the anode Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ecd=-0.13 V Cro2 (aq)+4 H2O(1)+3e" → Cr(OH)3(s)+50H (aq) Cu2+ (aq)+e → Cut(aq) = +0.153 V Answer the following questions about this cell. 0-0 Write a balanced equation for the half-reaction that happens at the cathode. DI X Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction...
What is the E cell for the cell represented by the combination of the following half- reactions? 2Hg2+(aq) + 2e" =Hg22+(aq); E°= 0.92 V Cr3+ (aq) + 3e Cr(s); E°= -0.74 V O 1) -0.18 V O2) 0.18 V 03) 1.28 V 4) 1.66 V 05) 2.12 V
What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two nan-cers Reduction Half-Reactions Cu2(aq) + 2e- Cu(s) AP ) 3e- A ) Ecel +0.34 V -1.66V +4.34V +2.00 V 200V 112V
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