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Question 11 3 pts What is the reaction occurring at the anode? NA o Mn"laq) +...
Question 11 3 pts What is the reaction occurring at the anode? o Mn(aq) + 2e_Mnis) o N2(aq) +2e – Nils! o Nils) -- Ni** 20) - 20 o Mn(s) – Mn?"20) + 2e Question 12 3 pts What is the line notation for the galvanic cell? NEN ta ONGIN M-2120) Mais o Ma Mna) Naal Nis O NANG MAS M Mr.Mis N Nia
A current of 250. A flows for 24.0 hours at an anode where the reaction occurring is Mn2+(aq) + 2H2O(l) → MnO2(s) + 4H+(aq) + 2e– What mass of MnO2 is deposited at this anode? 19.5 kg 4.87 kg 2.43 kg 12.9 kg none of the above
use tabulated standard electrode potential to calculate the
standard cell potential for the reaction occurring in an
electrochemical cell at 25 C. (The equation is balanced.)
3Ni^2+(aq)+2Cr(s)--->3Ni(s)2Cr^3+(aq)
Express your answer to two significant figures and include the
appropriate units.
em 26 E (V) -0.45 -0.50 -0.73 -0.76 -1.18 Standard reduction half-cell potentials at 25°C Half-reaction E° (V) Half-reaction Aul+ (aq) + 3e +Au(s) 1.50 Fe2+ (aq) + 2eFe(s) Ag+ (aq) +e-Ag(s) 0.80 Cr3+ (aq) + Cr²+ (aq) Fe+(aq) + 3e...
Balance the following half-reaction occurring in basic solution MnO2(8) - Mn(OH)2(s) MnO2 (s) + H22(aq) + 2e - Mn(OH)2(s) MnO2(s) + 2H2O(l) + 26 - Mn(OH)2(s)+ 2OH(aq) MnO2(s) + 2H2O(l) - Mn(OH)2(3)+20H(aq) MnO2(s) + H2(g) - Mn(OH)2(s) + 2e- MnO2(s) + 2H2O(1) + 4e - Mn(OH)2(s)+ (OH)2 (aq)
Need help with questions 1-5
D Determine whether each redox reaction occurs spontane- ously in the forward direction. (a) Ca2+(aq) + Zn(s)-Ca(s) + Zr"(al) (b) 2 Ag+(aq) + Ni(s)--2 Ag(s) + N产(aq) (c) Fe(s) +Mn2 (aą)- Fe (aą)Mn(s) (d) 2 Al(s) + 3 Pb2+(aq) → 2 AP"(aq) + 3 Pb(s) Suppose you wanted to cause Pb ions to come out of solu- tion as solid Pb. What metal could you use to accomplish this? Make a sketch of an electrochemical...
What is the reaction that happens at the anode in this electrochemical cell? Question options: a. Cu2+(aq) + 2e- → Cu(s) b. Ag(s) → Ag+(aq) + e- c. Cu(s) → Cu2+(aq) + 2e- d. Ag+(aq) + e- →Ag(s)
please help and answer all questions
4. What is the cell potential for Mn Mn2||Co2|Co, based on the standard potentials? (2 pts) Mn(s) +Co+2 (aq) → Co(s) + Mn+2(aq) 5. A Student constructed a Mg Mg2||Ag|Ag cell and measured a cell potential of 3.17 V. Calculate the cell potential of the Mg Mg2 half reaction. (2 pts) Mg(s) + 2Ag (aq) - 2Ag(s) + Mg(aq) 6. Will silver metal react spontaneously with HCl(aq) to produce H:()? Explain. (2 pts) 2Ag(8)...
please solve A to d to get thumps up.
Question 11 5 pts Consider a galvanic cell consisting of the following two redox couples: Sn2+ (aq, 0.010 M) + 2e --> Sn (s) E.-0.14 V Cst (aq, 0.010 M) + e --> Cs(s) E--2.92 V a. Write the equation for the half-reaction at the cathode Question 12 5 pts b. Write the equation for the half-reaction at the anode HTML Editor Question 13 6 pts c. Write a shorthand cell...
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Pb2+(aq) + 2e- → Pb(s) Eo = -0.13V Mn2+(aq) + 2e- →Mn(s) Eo = -1.18V What is the anode half-reaction for this voltaic cell? Question options: a. Mn2+(aq) + 2e- →Mn(s) b. Pb(s) → Pb2+(aq) + 2e- c. Pb2+(aq) + 2e- → Pb(s) d. Mn(s) →Mn2+(aq) + 2e-
what is question 10 and 11?
TT molecular orbitals O result from combining p orbitals that lie on the internuclear axis result from combining p orbitals that perpendicular to the internuclear axis are always antibonding two of the above are always bonding Question 11 (3 points) An aqueous solution of Kl is electrolyzed. The reaction at the anode is O21- (aq) → 12 (g) + 2e- O 2H2O(1) ► 02 (g) + 4H+ (aq) + 4e- 2H20 (1) + 2e-...