For the following balanced net redox reaction, the Eºcell is 1.04 V and n = 2....
A voltaic cell employs the following redox reaction: Sn2+(aq)+Mn(s)---- Sn(s)+Mn2+(aq) Calculate the cell potential of 25 degrees Celsius under each of the following conditions. Part A: Sn2+= 1.15*10^-2 M; and Mn2+= 2.37 M Part B: Sn2+= 2.37 M; and Mn2+= 1.15*10^-2
3) A voltaic cell employs the following redox reaction: Sn2+ (aq) + Mn (s) →Sn (s) + Mn2+ (aq) a) Make a sketch of the cell. Label the cathode, anode, Sn2+, Mn, Sn, Mn?, and salt bridge. Indicate the direction of electron flow and the direction of ion flow from the salt bridge. b) Use line notation to represent the cell. c) What is the cell potential at 25°C when [Sn?] is 0.002 M and [Mn2+] is 0.050 M?
the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.) fone 2 pts) a. Use the standard half-cell potentials listed below to calculate the standard cell potential (Eºcell) for 3 Sn(s) + 2 Fe* (aq) - 3 Sn2+ (aq) + 2 Fe(s) Sn 2(aq) + 2 e -Sn (s) E = -0.14 V Fe3+ (aq) + 3 e Fe(s) E° = -0.036 V A) -0.176 V B)-0.104 V C) +0.104 V D) +0.176 V b. Write...
A voltaic cell employs the following redox reaction: Sn2+(aq)+Mn(s)→Sn(s)+Mn2+(aq) Calculate the cell potential at 25 ∘C∘C under each of the following conditions. Part A [Sn2+]= 1.34×10−2 MM ; [Mn2+]= 2.51 MM . Express your answer using two significant figures. Part B [Sn2+]=2.51 MM ; [Mn2+]=1.34×10−2 MM .
3 pts Question 16 Calculate Eºcell for the following balanced redox reaction in acidic solution: 3 MnO2(s) + 2 Cr(s) + 12H + 3 Mn2+ + 2 Cr3+ + 6H2O (acidic) O +.49 V +5.17 V 0 - 49 V 0 -1.97 V O +1.97 V Question 17 3 pts For the reaction in the previous problem, what is AG°298? - 1140 kJ O +1140 kJ +284 kJ O-190 kJ 0-284 kJ
For the balanced redox reaction (2 electrons transferred in the balanced reaction): 2Mn2+ (aq) + PbO2 (s) + H20 (1) + Pb2+ (aq) + 2H+ (aq) + Mn203 (s) 1. Which species is being oxidized, and which species is being reduced? 2. Calculate Eºcell for the reaction. EºMn203/Mn2+ - 1.485V; EºPb02/Pb2+ - 1.458 V 3. Is the reaction spontaneous as written? 4. Calculate AGº for the reaction. 5. Calculate for the reaction at 25°C.
Calculate Eºcell for each of the following balanced redox reactions. O2(g) + 2H2O(1) + 4Ag(s) + 40H(aq) + 4Ag+(aq) Express your answer using two significant figures. V AEON O 2 ? cell= Submit Request Answer Part B Br2(1) + 21 (aq) + 2Br (aq) + 12(s) Express your answer using two significant figures. IVO AQ o 2 ? Eºcell= Submit Request Answer Part C PbO2(s) + 4H+(aq) + Sn(s) → Pb2+(aq) + 2H2O(1) + Sn2+(aq) Express your answer using two...
1. A voltaic cell is constructed based on the following redox reaction: Sn2+ (aq) + Mn (s)àSn (s) + Mn2+ (aq) Calculate Ecell at 25 oC under the following conditions: (a) Standard conditions (b) [Sn2+] = 0.0200 M; [Mn2+] = 4.00 M (c) [Sn2+] = 0.500 M; [Mn2+] = 0.00250 M 2. Consider the following redox reaction at 25oC: MnO2 (s)àMn2+ (aq) + MnO4- (aq) (a) Balance the equation in acid (b) Calculate Eocell (c) CalculateDGorxn (d) Calculate K Hint!!!...
D Question 14 3 pts The following redox reaction is conducted with [A13+] = 0.80 M and [Mn2+] = 0.30 M. 2 Al(s) + 3 Mn2+(aq) + 2 A13+(aq) + 3 Mn(s) Ecell = 0.48 V Determine the moles of electrons transferred for the reaction as written (n), Q, and the cell potential (cell) at 298 K. n= (Select] Q = (Select] Ecell = (Select)
For the balanced net redox reaction below, determine its standard cell potential (in V) at 25°C and whether the reaction is spontaneous at standard conditions. 3Ni2+(aq) + 2Cr(s) +3Ni(s) + 2Cr3+ (aq) -0.487, spontaneous 0.487 V, nonspontaneous -0.487, nonspontaneous 0.487 V, spontaneous