In a H2- O2 fuel cell, 6.72 L of hydrogen at NTP reacts in 15 minutes, the average current produced in amperes is

Question

In a H2- O2 fuel cell, 6.72 L of hydrogen at NTP reacts in 15 minutes, the average current produced in amperes is (A) 64.3 amp (B) 643.3 amp (C) 6.43 amp (D) 0.643 amp

Tardigrade Admin · Accepted Answer

(i×15×60/96500)=(6.72/22.4)×2 ⇒ i=64.3 A

Q. In a $H_{2} - O_{2}$ fuel cell, $6.72 L$ of hydrogen at NTP reacts in 15 minutes, the average current produced in amperes is

$64.3$ amp

$643.3$ amp

$6.43$ amp

$0.643$ amp

$\frac{i \times 15 \times 60}{96500} = \frac{6.72}{22.4} \times 2 \Rightarrow i = 64.3 A$

Q. In a H2​−O2​ fuel cell, 6.72L of hydrogen at NTP reacts in 15 minutes, the average current produced in amperes is

64.3 amp

643.3 amp

6.43 amp

0.643 amp