Question

Hydrazene can be used in fuel cell
N 4(aq) + O2(g) (g) + 2H,09
If AG' for this reaction is-600 kJ, what will be the
E for the cell?
(1) 1.25 V
(2) 1.50 V
(4) 1.75 V
(3) 1.57 V​

Answer 1

Answer:

ANSWER

−2

N

2

H

4

(aq)

+O

2

(g)

⟶

0

N

2

(g)

+2H

2

O

(l)

Electrons transferred= 4/N

2

H

4

⟶N

2

+4e

−

ΔG

o

=−nFE

o

⇒−600×10

3

=−4×96500×E

o

∴E

o

=1.55V

Explanation:

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