Need both of these Use the following information to answer question 19.Students observed the Hoffman apparatus shown below while a concentrated solution ofsodium chloride, NaCl(aq), was electrolyzed. The students observed bubbling around eachanode than in the tube above the cathode.electrode and also observed that a smaller volume of gas is collected in the tube above the(00:4Row6.0 VA.B.C.D.PowersupplyElectrolysis of NaCl(aq)Gas-Solution-OxygenOxygenHydrogenHydrogenPt(s)CathodeGas Produced atthe Cathode19. Which of the following rows identifies the gases produced at each electrode?GasGas Produced atthe AnodeChlorineHydrogenChlorineOxygenSolution90Pt(s)AnodeH Use the following information to answer questions 17 and 18.At one of the electrodes of an aluminium-air cell, moist air is bubbled througha sodium hydroxide solution. The half-reaction represented by the equation below occurs.Oz(g) + 2H,O(l) + 4e → 4OH (aq)i17. The other half-reaction involving the aluminium electrode, Al(s), will occur at theand the type of cell isii(3)0The statement above is completed by the information in rowRowA.B.C.D.ianodeanodecathodecathodeA. -2.06 VB.-1.26 VC.+1.26 VD.+2.06 Viivoltaicelectrolyticvoltaicelectrolytic18. If the half-reaction given above was assigned a standard reduction potential of zero, thenwould bethe standard reduction potential of the half-reaction involving the aluminium electrode

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Use the following information to answer question 19. Students observed the Hoffman apparatus shown below while a concentrated solution of sodium chloride, NaCl(aq), was electrolyzed. The students observed bubbling around each electrode and also observed that a smaller volume of gas is collected in the tube above the anode than in the tube above the cathode. Electrolysis of NaCl(aq) Row 6.0 V A. B. C. D. Power supply Gas- Solution- Pt(s)- Oxygen Oxygen Hydrogen Hydrogen Cathode Gas Produced at the Cathode 19. Which of the following rows identifies the gases produced at each electrode? Gas -Solution Chlorine Hydrogen Chlorine Oxygen Gas Produced at the Anode Pt(s) Anode

Use the following information to answer question 19. Students observed the Hoffman apparatus shown below while a concentrated solution of sodium chloride, NaCl(aq), was electrolyzed. The students observed bubbling around each electrode and also observed that a smaller volume of gas is collected in the tube above the anode than in the tube above the cathode. Electrolysis of NaCl(aq) Row 6.0 V A. B. C. D. Power supply Gas- Solution- Pt(s)- Oxygen Oxygen Hydrogen Hydrogen Cathode Gas Produced at the Cathode 19. Which of the following rows identifies the gases produced at each electrode? Gas -Solution Chlorine Hydrogen Chlorine Oxygen Gas Produced at the Anode Pt(s) Anode

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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