A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential O2(9)+4H (aq)+4e 2 H,O(1) E =+1.23 V red %3D Zn (aq)+2e 2+ Zn(s) E -0.763 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. 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

A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential O2(9)+4H (aq)+4e 2 H,O(1) E =+1.23 V red %3D Zn (aq)+2e 2+ Zn(s) E -0.763 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. 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

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 galvanic cell is powered by the following redox reaction: 2 Br,(1) + N,H,(aq) + 4 OH (aq) 4 Br (aq) + N2(g) + 4 H,O(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. E = [v Round your answer to 2 decimal places.
A galvanic cell is powered by the following redox reaction: 2+ 3+ NO 3(aq) + 4H+ (aq) + 3 Fe²+ (aq) → NO(g) + 2 H₂O(1) + 3 Fe³+ (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 n 0 E = V
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Cro (aq)+4 H₂O(+3e" ->>> Cr(OH)3(s)+ 5 OH (aq) red -0.13 V E red +1.065 V Br₂(1)+2e → 2 Br (aq) Answer the following questions about this cell. Write a balanced equation for the half-reaction that ☐ happens at the cathode. 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. ☐ Do you have enough Yes information to calculate the cell voltage under standard No conditions? If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round your answer to 3 significant digits. Ον ローロ X G
Write the balanced equation for the overall reaction that occurs in the cell.Calculate E ̊ for the overall reaction. A 150. mL sample of CH 3OH (aq) is put into the electrochemical cell. The cell produces an average current of 0.0100 amp for 250. seconds, at which point the CH3OH (aq) has been totally consumed. Calculate the charge, in coulombs, that passed through the cell.
A galvanic cell is powered by the following redox reaction: + 2+ HNO₂(aq) + H+ (aq) + Cu¹ (aq) → NO(g) + H₂O(1) + Cu²+ (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 E = V 0-0 e X 00
A student constructs an electrochemical cell with a half-cell composed of a nickel anode in a 0.10 M Ni2+(aq) solution, and another composed of a silver cathode in a 0.10 M Ag+(aq) solution. The Ecell at 20.0oC is measured as +1.03 V. Determine the number of moles of electrons being exchanged in the resulting redox reaction. Select one: a. 1 mol of electrons b. 4 mol of electrons c. 5 mol of electrons d. 2 mol of electrons e. 3 mol of electrons
A galvanic cell is powered by the following redox reaction: 2 Cu*(aq) + H,(9) + 2OH (aq) - 2 Cu* (ag) + 2H,0) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. da Data Cro,2- (aq) + 4H20 (1) + Write a balanced equation for the half-reaction that takes place at the cathode. Cu? (ад: Cu+ (aq) Cut (aq Write a balanced equation for the half-reaction that takes place at the anede. F2 (9) + Fe+ (aq: Calculate the cell voltage under standerd conditions. Fe" (aq) Fe (aq 2" = Ov Round your answer to 2 2H* (aq) decimal places. 2H20 (1) + 2e
A galvanic cell is powered by the following redox reaction: 2+ 2 Zn²+(aq) + N₂H₂(aq) + 4OH¯(aq) → 2 Zn(s) + N₂(g) + 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 00 S
+ 2+ MnO 4(aq) +8 H (aq) +5e → Mn(aq) + 4H₂O(1) Write a balanced equation for the half-reaction that happens at the cathode. 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. Answer the following questions about this cell. Do you have enough information to calculate the cell voltage under standard conditions? 3+ If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round your answer to significant digits. Fe half-reaction 0 (aq) + e Yes No V 2+ Fe (aq) standard reduction potential red 'red = +1.51 V = +0.771 V ローロ x 90 x10 S
The two half cells that make up a battery are shown below with their reduction potentials: Br2(aq) + 2e → 2B1¯(aq); E= 1.07 V Cu²+(aq) + e – Cu*(aq); E= 0.16 V What is the equation for the galvanic cell made with these two half equations? Oa. 2Cu*(aq) + Br2(aq) – 2Cu2+(aq) + 2Br (aq) Ob. 2Cu2*(aq) + Br2(aq) → 2Cu*(aq) + 2Br"(aq) Oc. 2Cu*(aq) + 2Br (aq) – 2Cu²* (aq) + Br2(aq) Od. 2Cu2*(aq) + 2B1°(aq) → 2Cu*(aq) + Br2(aq) Oe. None of the other options
A galvanic cell is powered by the following redox reaction: Br,(1) + H,(g) + 2 OH (aq) - 2 Br (aq) + 2 H,O(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. O-0 Write a balanced equation for the half-reaction that takes place at the anode. Calculate the cell voltage under standard conditions. E = [y Round your answer to 2 decimal places. Explanation Check O 2022 McGraw Hill LLC. All Riahts Reserved. Terms of Use F étv 17
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