Hydrazıne, N2H4, has been proposed as the fuel in a fuel cell in which oxygen is the oxidizing agent. The reactions are as follows. N,H (ag) + 4OH (ag) N2(9) + 4 H,0(1) + 4e 02 (9) + 2 H,0(I) + 4e + 4 OH (ag) (a) Which reaction occurs at the anode and which at the cathode? N,H, (ag) + 4 OH (aq) → N,(9) + 4H,0(1) + 4e 02 (9) + 2 H,0(1) + 4 e + 4 OH (aq) (b) What is the net cell Ireaction? (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 0, must be available to react with the mass of N, H determined in part (c)?

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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.
N,H (ag) + 4 0OH (ag) N2 (9) + 4 H,0(1) + 4e
O2(9) + 2 H,0(1) + 4 e
+ 4 OH (ag)
(a) Which reaction occurs at the anode and which at the cathode?
N,H, (ag) + 4 OH (ag) + N,) + 4 H,0(1) + 4 e
0, (9) + 2 H,O(1) + 4 e
+ 4 OH (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 0, must be available to react with the mass of N, H determined in part (c)?
Transcribed Image Text: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. N,H (ag) + 4 0OH (ag) N2 (9) + 4 H,0(1) + 4e O2(9) + 2 H,0(1) + 4 e + 4 OH (ag) (a) Which reaction occurs at the anode and which at the cathode? N,H, (ag) + 4 OH (ag) + N,) + 4 H,0(1) + 4 e 0, (9) + 2 H,O(1) + 4 e + 4 OH (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 0, must be available to react with the mass of N, H determined in part (c)?
N,H, (ag) + 4OH (ag) N,) + 4H,0(1) + 40
0, (9) + 2 H,0(1) + 4e+ 4OH (ag)
(a) Which reacbon occurs at the anode and which at the cathode?
NH, (ag) + 4 OH (ag) + N,(9) + 4H,0(1) + 4e
cathode
anode
02 (9) + 2 H, O(1) + 4 e
- 4 OH (og
(b) What is the net cell reaction? (Include states of matter n your answer. Leave any unneeded answer blar
Transcribed Image Text:N,H, (ag) + 4OH (ag) N,) + 4H,0(1) + 40 0, (9) + 2 H,0(1) + 4e+ 4OH (ag) (a) Which reacbon occurs at the anode and which at the cathode? NH, (ag) + 4 OH (ag) + N,(9) + 4H,0(1) + 4e cathode anode 02 (9) + 2 H, O(1) + 4 e - 4 OH (og (b) What is the net cell reaction? (Include states of matter n your answer. Leave any unneeded answer blar
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