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Determinig the potential and the field strengths in the cylinder-plane electrode system
6. Calculate the electrode potential of the system (in V) at the
equivalence point for the reaction:
Please show all of your work!
TP1 + 2Pe2t TV +2Fe3t B" Tqi/TT+ = 1.25 V; E0Feat n®/Tlt-1.25 V, E0Fe2+/Fe2+ = 0.771V
Electric Field Lines and Potential The figure shows the E-field in the plane of two point charges. Determine for each of the following statements whether it is correct or incorrect. 2 <a The E-field at 'a' points directly toward Q2. rect The net charge Q1+Q2 is negative The E-field at 'd' points south. The electric potential (volts) is larger at 'e' than 'd'. The E-field at 'c is zero. The magnitude of the E-field at 'e' is larger than at...
Electric Field Lines and Potential The figure shows the E-field in the plane of two point charges. Determine for each of the following statements whether it is correct or incorrect. 2 The E-field at 'c' is zero. The net charge Q1+Q2 is positive. The E-field at 'a' points directly toward Q1. The E-field at 'b' points north. The magnitude of the E-field at 'a' is larger than at 'd'. The electric potential (volts) is larger at 'e' than 'd' Submit...
Electric Field Lines and Potential The figure shows the E-field in the plane of two point charges. Determine for each of the following statements whether it is correct or incorrect. 2 Incorrect The electric potential (volts) is larger at 'c' than 'e'. Incorrect The net charge Q1+Q2 is negative. Correct The E-field at 'b' points north. Incorrect The E-field at 'c is zero. Correct The E-field at 'b' points directly toward Q2. Incorrect The magnitude of the E-field at 'a'...
Calculate the equilibrium electrode potential for Fe3+/Fe2+ redox system, if the initial concentration of Fe2+ is of 0.1 mol/L and one third of Fe2+ is oxidized to Fe3+ at pH 1. (eo(Fe3+/Fe2+) = 0.77 V)
A cell consisting of a saturated calomel electrode and a lead electrode developed a potential of -0.4706 V when immersed in 50.00 mL of a sample. A 5.00 mL addition of standard 0.02 M lead solution caused the potential to shift to -0.4490 V. Calculate the molar concentration of lead in the sample.
In a 3-electrode cell filled with a solution of dopamine, the potential of the working electrode is scanned from +0.2 V to +0.7 V vs. a Ag/AgCl reference electrode. The current rises exponentially and then peaks at +0.48 V followed by a decay (gradual decrease) in current. What causes the decrease in current? The concentration of dopamine near the electrode decreases. All of the dopamine in the solution is consumed. A second reaction begins to interfere at such positive potentials....
1. What is the electrode potential of a Cd electrode immersed in a 0.5 M Cd'solution. 2. What is the electrode potential of a Cu electrode immersed in a 0.2 M CuSO, solution. 3. What is the electrode potential of a Ag electrode immersed in a 0.05 M AgNO, solution. 4. What is the electrode potential of a Zn electrode immersed in a 0.03 M Zn't solution. 5. What is the electrode potential of a Cd electrode immersed in a...
Calculate the electrode potential at 25ºC of the Cr3+, Cr2O7 2- electrode at pH 1 and pH 3 in a solution 0.01 M in both Cr3+, Cr2O7 2-, on the assumption that all activity coefficients are unity. The electrode reaction and corresponding standard electrode potential are as follows: Cr2 O7^2+ + 14H+ + 6e- <-> 2Cr3+ + 7H2O Eº=1.33