Consider the cell described below at 253 K: Sn | Sn2+ (0.979 M) || Pb2+ (0.943 M) | Pb Given E°pb2+_Pb = -0.131 V, Eºsn...
HHelp ASAP Consider the cell described below at 283 K: Sn | Sn2+ (0.871 M) || Pb2+ (0.927 M) | Pb Given E°Pb2+>Pb = -0.131 V, E°şn2+-Sn = -0.143 V. Calculate the cell potential after the reaction has operated long enough for the Sn2+ to have changed by 0.355 mol/L. -2780 V Incorrect. Tries 6/45 Previous Tries Submit Answer
I am not sure how to answer this question Consider the cell described below at 285 K: Sn | Sn2+ (1.01 M) || Pb2+ (2.07 M) Pb Given EºPb2+ + 2e-Pb = -0.131 V and Eºsn2+ + 2 e-Sn = -0.143 V. What will the concentration of the Pb2+ solution be when the cell is dead? Submit Answer Tries 0/45
Consider the cell described below at 253 K: Fe | Fe2+ (0.867 M) || Cd2+ (0.945 M) | Cd Given EoCd2+Cd -0.403 V, E°Fe2+_Fe = -0.441 V. Calculate the cell potential after the reaction has operated long enough for the Fe2+ to have changed by 0.311 mol/L. Tries 0/45 Submit Answer
A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). a. If the concentration of Sn2+ in the cathode compartment is 1.50 M and the cell generates an emf of 0.22 V , what is the concentration of Pb2+ in the anode compartment? b. If the anode compartment contains [SO2−4]= 1.50 M in equilibrium with PbSO4(s), what is the Kspof PbSO4?
Consider the cell described below at 297 K: Fe | Fe2+ (0.791 M) || Cd2+ (0.953 M) | Cd Given EoCd2+→Cd = -0.403 V, EoFe2+→Fe = -0.441 V. Calculate the cell potential after the reaction has operated long enough for the Fe2+ to have changed by 0.349 mol/L.
Consider the cell described below at 275 K: Fel Fe2+ (0.935 M) || Cd2+ (0.939 M) 1 Cd Given E°Cd2+--Cd = -0.403 V, EºFe2+-Fe = -0.441 V. Calculate the cell potential after the reaction has operated long enough for the Fe2+ to have changed by 0.399 mol/L.
1. A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). A. If the concentration of Sn2+ in the cathode compartment is 1.30 M and the cell generates an emf of 0.25 V , what is the concentration of Pb2+ in the anode compartment? B. If the anode compartment contains [SO2−4]= 1.30 M in equilibrium with PbSO4(s), what is the Ksp of PbSO4? 2. A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). A. What is the emf...
salt bridge Pb2+2 e Eo0.13 V Pb (s) Ag1 e o = 0.80 V Ag (s) What is the voltage, at 298 K, of this voltaic cell starting with the following non-standard concentrations: [Pb2+1 (aq) 0.063 M [Ag (aq) 0.61 M Use the Nernst equation: E=E- (RT/nF) In Q First calculate the value of Q, and enter it into the first answer box. Q is dimensionless. Then calculate E, the non-standard cell potential, and enter its value into the second...
*Electrochemistry Plase check my answers! Are these right?? Help me! The following two reactions have ξ values given below 4°-2.07 V If the potential for the reaction pt2t following half reactions. 2e Pt is assigned a value of zero, calculate the cell potentials for the a. Ag+e-Ag -0.40V 0,4 ov 0+0.40 # b. F2cF 5.oV 4. Consider the galvanic cell at 25°C Zn Zn2 I Cu2+ Cu Calculate the ratio of IZn2+1 to [Cu2+1 when the cell potential has dropped...