A chemist designs a galvanic cell that uses these two half-reactions:half-reactionstandard reduction potential0,(9)+4H (aq)+4e - 2H,0()E+1.23 VCl,(g)+2e- 2C1 (aq)-+1.359 VAnswer the following questions about this cell.Write a balancedequation for thehalf-reaction that Whappens at thecathode.Write a balancedequation for thehaif-reaction that Uhappens at theanode.Write a balancedequation for theoveral reactionthat powers thecell. Be sure the Write a balancedequation for thehalf-reaction thathappens at thecathode.Write a balancedequation for thehalf-reaction thathappens at theanode.Write a balancedequation for theoverall reactionthat powers thecell. Be sure thereaction isspontaneous aswritten.Do you haveenoughinformation tocalculate the cellO Yesvoltage understandardconditions?NoIf you said it waspossible tocalculate the cellvoltage, do so andenter your answerhere. Round yourOv

A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential 0,(9)+4H" (aq)+4e 2 H,O(1) E+1.23 V Cl,(9)+2e E+1.359 V 2C (ag) Answer the following questions about this cell. Write a balanced equation for the haif-reaction that W happens at the cathode. Write a balanced equation for the haif-reaction that U happens at the anode. Write a balanced equation for the overal reaction that powers the cell. Be sure the

A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential 0,(9)+4H" (aq)+4e 2 H,O(1) E+1.23 V Cl,(9)+2e E+1.359 V 2C (ag) Answer the following questions about this cell. Write a balanced equation for the haif-reaction that W happens at the cathode. Write a balanced equation for the haif-reaction that U happens at the anode. Write a balanced equation for the overal reaction that powers the cell. Be sure the

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 chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Br,(1)+2e - 2 Br (aq) =+1.065 V ʼred MnO,(aq)+2 H,O(1)+3e MnO,(s)+4 ОН (аq) E=+0.59 V (red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. x10 Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written.
Silver can be electroplated at the cathode of an electrolytic cell by the half-reaction: Ag*(aq) + e - Ag(s) What mass of silver plates onto the cathode if a current of 6.8 A flows through the cell for 72 min?
Consider the galvanic cell based on the following half-reactions. Ag+ + e− → Ag ℰ° = +0.80 V Fe2+ + 2 e− → Fe ℰ° = −0.44 V (a) Determine the overall cell reaction and calculate ℰ ° cell . (b) Calculate ΔG° and K for the cell reaction at 25°C. (c) Calculate ℰcell at 25°C when [Ag+ ] = 1.0 ✕ 10−4 M and [Fe2+ ] = 1.0 ✕ 10−2 M.
A galvanic cell is powered by the following redox reaction: 2+ + 3 Cu²+ (aq) + Cr(OH)3(s) + 5OH¯(aq) → 3 Cut (aq) + Cro (aq) + 4H₂O(1) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. Write a balanced equation for the half-reaction that takes place at the cathode. Write a balanced equation for the half-reaction that takes place at the anode. Calculate the cell voltage under standard conditions. Round your answer to 2 decimal places. 0 0 0 E = v V ロ→ロ X 5
A galvanic cell is powered by the following redox reaction: 3 Br₂(1) + 2NO(g) + 4H₂O(1) - 6 Br (aq) + 2NO3(aq) + 8H (aq) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. Write a balanced equation for the half-reaction that takes place at the cathode. Write a balanced equation for the half-reaction that takes place at the anode. Calculate the cell voltage under standard conditions. Round your answer to 2 decimal places. 0 0 E = v 00 Ś
What mass of material will be deposited at the cathode when a current of 10.5 A is applied for 2.0 hours to the following cell: Cr(s) | Cr² (aq) || Al*(aq) | Al(s)
If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round your Ov answer to 2 significant digits.
A student wanted to observe the reaction of Fe²+, (aq) V3+ (aq) Fe³+ (aq) + √2+ (aq) using an electrochemical cell. He did the setup and found out that the cell produced a voltage of -1.03V. Assuming standard conditions (298.15 K, 1 atm), which of the following observations would be correct? O a. The standard cell potential is equal to Eº v³+²+ - E°F 3+ Fe / Fe +2 3+ b. The reaction was spontaneous The reaction will proceed without any external power source O d. Exchanging the anode and cathode will make the voltage more negative
A galvanic cell is powered by the following redox reaction: 2+ 3+ O,(g) + 4H'(aq) + 4 Fe´'(aq) 2 H20(1) + 4 Fe"(aq) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. Write a balanced equation for the half-reaction that takes place at the cathode. Write a balanced equation for the half-reaction that takes place at the anode. Calculate the cell voltage under standard conditions. E° = [v Round your answer to 2 decimal places.
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A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential 2+ Zn (aq)+2e - Zn(s) :-0.763 V (red |Cro (aq)+4 H2O(1)+3e Cr(OH)3(s)+5OH (aq) :-0.13 V = - (red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. x10 Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written.
Is there a minimum or maximum standard reduction potential that the half-reaction can have. Then write the balanced equation