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Hydrazine, N, H, has been proposed as the fuel in a fuel cell in which oxygen is the oxidizing agent. The reactions are as follows. N2H4 (aq) + 4 OH (ag) N (9) + 4 H,0(1) + 4 e O2 (9) + 2 H20(1) + 4e 40H (ag) (a) Which reaction occurs at the anode and which at the cathode? N,H4 (aq) + 4 0H (ag) N (9) + 4 H,0(1) + 4 e 02 (9) + 2 H,0(1) + 4 e → 40H (ag) (b) What is the net cell reaction? (Include states of matter in your answer. Leave any unneeded answer blanks empty.) (c) If the cell is to produce 0.54 A of current for 48.0 h, what mass in grams of hydrazine must be present? (d) What mass in grams of O2 must be available to react with the mass of N, H4 determined in part (c)?

Hydrazine, N, H, has been proposed as the fuel in a fuel cell in which oxygen is the oxidizing agent. The reactions are as follows. N2H4 (aq) + 4 OH (ag) N (9) + 4 H,0(1) + 4 e O2 (9) + 2 H20(1) + 4e 40H (ag) (a) Which reaction occurs at the anode and which at the cathode? N,H4 (aq) + 4 0H (ag) N (9) + 4 H,0(1) + 4 e 02 (9) + 2 H,0(1) + 4 e → 40H (ag) (b) What is the net cell reaction? (Include states of matter in your answer. Leave any unneeded answer blanks empty.) (c) If the cell is to produce 0.54 A of current for 48.0 h, what mass in grams of hydrazine must be present? (d) What mass in grams of O2 must be available to react with the mass of N, H4 determined in part (c)?

Chemistry
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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Hydrazine, N, B4, has been proposed as the fuel in a fuel cell in which oxygen is the oxidizing agent. The reactions are as follows. N,H4 (ag) + 40H (ag) N(9) + 4 H,0(1) + 4 e 02 (9) + 2 H2O(1) + 4 e 4 OH (ag) (a) Which reaction occurs at the anode and which at the cathode? N,H4 (ag) + 4 0H (ag) N2(9) + 4 H,0(1) + 4 e 02 (9) + 2 H,0(1) + 4 e → 4 OH (aq) (b) What is the net cell reaction? (Include states of matter in your answer. Leave any unneeded answer blanks empty.) (c) If the cell is to produce 0.54 A of current for 48.0 h, what mass in grams of hydrazine must be present? (d) What mass in grams of O2 must be available to react with the mass of N2 H. determined in part (c)?
Transcribed Image Text:Hydrazine, N, B4, has been proposed as the fuel in a fuel cell in which oxygen is the oxidizing agent. The reactions are as follows. N,H4 (ag) + 40H (ag) N(9) + 4 H,0(1) + 4 e 02 (9) + 2 H2O(1) + 4 e 4 OH (ag) (a) Which reaction occurs at the anode and which at the cathode? N,H4 (ag) + 4 0H (ag) N2(9) + 4 H,0(1) + 4 e 02 (9) + 2 H,0(1) + 4 e → 4 OH (aq) (b) What is the net cell reaction? (Include states of matter in your answer. Leave any unneeded answer blanks empty.) (c) If the cell is to produce 0.54 A of current for 48.0 h, what mass in grams of hydrazine must be present? (d) What mass in grams of O2 must be available to react with the mass of N2 H. determined in part (c)?
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