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pleaae do all, please please please QUESTION 3 Consider the following half-reactions and their standard reduction...
Consider the following half-reactions and their standard reduction potentials then give the standard line (cel notation for a voltaic cell built on these half reactiors, Mn2+(aq) +26° <=> Mn(s) E° = -1.18V Cr3+(aq) +3 € <=> Cr(s) E° = 0.41 V O A. Cr(s)/C3+(aq, 1.0 M) || Mn2+(aq, 1.0M) | Mn(s) B. Cris) Cr3+(aq, 1.0 M) || Mn (s) | Mn 2+(aq, 1.0 M) OC. Mn (s) | Mn 2+(aq, 1.0 M) || C-3+(aq, 1.0 M) | Cr(s) D. Mn...
Consider the following half-reactions and their standard reduction potentials then give the standard line (cell) notation for a voltaic cell built on these half reactions. Mn2+(aq) + 2 e- <=> Mn(s) E° = -1.18 V Fe3+(aq) + 3 e- <=> Fe(s) E° = -0.036 V Correct answer: Mn (s) | Mn 2+(aq, 1.0 M) || Fe3+(aq, 1.0 M) | Fe(s) looking for an explanation on how to work this problem, i get confused with the order of the elements. for...
Given the half reactions below, what would be the standard cell potential (E° cell) in volts for the reaction below? (Report answer with 2 decimal places) 2 Cr3+ (aq)+3 Mn (s) 3 Cr (s) +3 Mn2+ (aq) Cr3+ (aq) +3 e Cr (s) Eored0.50 V Mn2+ (aq) 2 e-Mn (s) E red -1.18 v
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Cd2+ (aq) + 2 e- → Cd(s) Mn2+(aq) + 2 e- → Mn(s) Cu2+ (aq) + 2 e- → Cu(s) Cr3+(aq) + 3 e- → Cr(s) Sn2+(aq) + 2 e- → Sn(s) A13+(aq) + 3 e- → Al(s) Co2+ (aq) + 2 e- → Co(s) Ered = -0.403 V Ered = -1.185 V Ered = +0.342 V Ered = -0.744 V Ered = -0.138 V...
3. Calculate the cell potential for the voltaic cell based on the following half reactions at T = 25°C: Cr3+(aq) + 3e Cr(s) E° = -0.74 V TiO2(aq) + 2H(aq) + 1e → Ti+(aq) + H2O(1) E° = + 0.10 V Where, [Cr3+] = 1.0 x 104 M, [TiO2+] = 1.0 x 10-1M, [H+] = 1.0 M, [Ti$+] = 5.0 x 10-2 M.
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Mn2+ (aq) + 2e- → Mn(s) Cr3+(aq) + 3 e- → Cr(s) Sn2+(aq) + 2 e--> Sn(s) Cu2+ (aq) + 2 e → Cu(s) A13+ (aq) + 3 e- → Al(s) Co2+(aq) + 2 e- → Co(s) Cd2+ (aq) + 2 e- → Cd(s) Ered = -1.185 V Ered = -0.744 V Ered = -0.138 V = +0.342 V Ered = -1.662 V Ered =...
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: 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....
Consider the following half-reactions: Half-reaction F2(g) + 2e - 2H+ (aq) + 2 Mn2+ (aq) + 2e E° (V) 2F (aq) 2.870V H2(g) 0.000V Mn(s) -1.180V The strongest oxidizing agent is: enter formula / / The weakest oxidizing agent is: / The weakest reducing agent is: The strongest reducing agent is: Will Mn2+ (aq) reduce F2(g) to F"(aq)? Which species can be reduced by H2(g)? If none, leave box blank. Consider the following half-reactions: Half-reaction E° (V) Br2(1) + 2e...
help with these please, the standard reduction are provided in the last three pictures What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb2+ concentration is 9.05X10 M and the AP concentration is 1.48 M? 3Pb2+(aq) + 2Al(s) 3Pb(s) + 2A13+ (aq) Answer: The cell reaction as written above is spontaneous for the concentrations given: What is the calculated value of the cell potential at 298K for an...