'redA certain half-reaction has a standard reduction potential Eed = -0.94 V. An engineer proposes using this half-reaction at the cathode of agalvanic cell that must provide at least 1.10 V of electrical power. The cell will operate under standard conditions.Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell.Is there a minimum standard reductionpotential that the half-reaction used atthe anode of this cell can have?If so, check the "yes" box and calculatethe minimum. Round your answer to 2decimal places. If there is no lowerlimit, check the "no" box.Is there a maximum standard reductionpotential that the half-reaction used atthe anode of this cell can have?If so, check the "yes" box and calculatethe maximum. Round your answer to 2decimal places. If there is no upperlimit, check the "no" box.By using the information in the ALEKSData tab, write a balanced equationdescribing a half reaction that could beused at the anode of this cell.☐Note: write the half reaction as it wouldactually occur at the anode.0O yes, there is a minimum.Ered = OvO no minimum0Oyes, there is a maximum.Ono maximumred- Ov=ローロeXG

Ecello≥1.10VEcato−Eano≥1.10V−Eano≥1.10V−EcatoEano≤−(1.10V−(−0.94V))Eano≤−2.04VBased on our…

Answered: 'red A certain half-reaction has a…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A certain half-reaction has a standard reduction potential E=+1.34 V. An engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least 1.20 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer reguires this half-reaction to happen at the anode of the cell. nh Data Half-Reaction E° (V) 0.7996 Is there a minimum standard reduction potential that the half-reaction used at the cathode of this cell can have? = Ov Ag+ (aq) + e- -→ Ag (s) O yes, there is a minimum. E %3D red Al3+ (aq) + 3e- → Al (s) -1.676 1.692 Au+ (aq) + e → Au (s) If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. O no minimum Au3+ (aq) + 3e- → Au (s) 1.498 Ba2+ (ag) + 2e- - Ba (s) -2.912 Brz (1) + 2e 2Br (aq) 1.066 - Ca2+ (ag) + 2e Ca (s) -2.868 Is there a maximum standard reduction potential that the half-reaction used at the…
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Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Is there a maximum standard reduction potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate the maximum. Round your answer to 2 decimal places. If there is no upper limit, check the "no" box. By using the information in the ALEKS Data tab, write a balanced equation describing a half reaction that could be used at the anode of this cell. Note: write the half reaction as it would actually occur at the anode. Oyes, there is a minimum. no minimum yes, there is a maximum. no maximum 0 E 0V red 0 E red = = ☐v
calculated quantities (Check the box next to any that are wrong.) 0 K 0 E cell n AG 44 A 2 -255. kJ/mol 4.72 x 10 О -1.32 V -31 B 2 - 176. kJ/mol 1.47 x 10 ○ -0.91 V 44 C 2 255. kJ/mol 4.72 x 10 -1.32 V ☑
Consider the following galvanic cells. Diagram I Au- 1.0 M Au³+ chemPad XX 80 1.16 80 (b) balanced cell equation II chemPad X V For each galvanic cell, give the balanced cell reaction and determine &. Standard reduction potentials are found in the Standard Reduction Potentials table. (Use the lowest possible whole number coefficients. Include states-of-matter under the given conditions in your answer.) (a) balanced cell equation I 1.4 1.0 M Cu+ 1.0 M Cu²+ Au(s)+3Cu²+(aq) ⇒ Au³+(aq)+3Cu+(aq) |Au(s)+3Cu^2+(aq)Au^3+(aq)+3Cu^+(aq) Your answer indicates a reaction progressing in an inconsistent direction. -Pt Greek V i Diagram II Greek Cd- 1.0 M Cd2+ XX Enter a number. Cd(s)+2VO₂²+ (aq)+4H*(aq) ← Cd²+(aq)+2VO²+ (aq)+2H₂O(l) Cd(s)+2VO_2^2+(aq)+4H^+(aq)<--Cd^2+(aq)+2VO^2+(aq)+2H_2O(l) Your answer indicates a reaction progressing in an inconsistent direction. Help Help -Pt 1.0 M VO₂ 1.0 MH+ 1.0 M VO²+ i
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A student made measurements on some electrochemical cells and calculated three quantities: • The standard reaction free energy AGº. • The equilibrium constant K at 25.0 °C. • The cell potential under standard conditions E". His results are listed below. Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the box next to the incorrect quantity in each row, if any. Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you may assume the number of significant digits in each quantity is correct. Also note: for each cell, the number n of electrons transferred per redox reaction is 1. calculated quantities (Check the box next to any that are wrong.) cell n aG K E -21 1.42 x 10 A 1 119. kJ/mol O 1.23 V -- В - 51. kJ/mol 1.16 X 10 -0.53 V -11 2.06 X 10 1 -61. kJ/mol 0.63 V
bew DARGERS Determine the thermodynamic equilibrium constant K for a voltaic cell made of a Ag strip and an Al strip immersed in 1.0 M aqueous AgNO3 and Al(NO3)3 solutions, respectively, at 25.00°C, with all other cell components in place. (Use Table 18.3 for your standard cell potentials.) Type your numeric answer and submit Hint Equation 18.8 in Section 18.3.1 relates cell voltage to AG. SOPINIOANE Cat 0 Cannot be empty HE HIG X
Consider the following galvanic cells. Diagram I Au- cº 1.0 M Au³+ 3+ chemPad XX² (b) balanced cell equation II chemPad 8⁰ XX→→ 1.0 M Cu+ 1.0 M Cu²+ For each galvanic cell, give the balanced cell reaction and determine °. Standard reduction potentials are found in the Standard Reduction Potentials table. (Use the lowest possible whole number coefficients. Include states-of-matter under the given conditions in your answer.) (a) balanced cell equation I Help Greek Pt Help Greek Diagram II Cd- 1.0 M Cd2+ -Pt Ai 1.0 M VO₂, 1.0 MH+ 1.0 M VO²+
It is known that at both electrodes of the voltaic cell there is an acid solution that produces hydrogen gas at the anode and cathode. The flow of electrons flows from a concentration of 0.05 M to a higher concentration of 0.5 M. If the rods at the anode and cathode are platinum (Pt), then the voltaic cell potential measured on the voltmeter is ... A. 0.5092 V B. 0.1184 V C. 0.1776 V D. 0.0592 V
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