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In a hydrogen oxygen fuel cell 67.2 litr...

In a hydrogen oxygen fuel cell 67.2 litre of `H_(2)` at STP is used in 15 min what is the average current produced ?

A

549.4 amp

B

643.33 amp

C

965 amp

D

129.8 amp

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In a fuel cell, hydrogen and oxygen react to produce electricity. In process, hydrogen gas is oxidized at the anode and oxygen at the cathode. If 67.2L of H_(2) at STP reacts in 15mi n , what is the average current produced ? If the entire current is used for electro - deposition of copper from copper (II) solution, how many grams of copper will be deposited ? Anode reaction : H_(2)=2overset(c-)(O)Hrarr2H_(2)O+2e^(-) Cathode reaction :O_(2)+2H_(2)O+2e^(-) rarr 4overset(c-)(O)H

In a fuel cell H_(2) and O_(2) react to produce electricity. In the process H_(2) gas is oxidised at the anode and O_(2) is reduced at the cathode. If 6.72 litre of H_(2) at NTP reacts in 15 minute, what is the average current produced ? If the entire current is used for electro-deposition of Cu from Cu^(2+) , how many g of Cu are deposited ?

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In H_2 -O_2 fuel cell, 6.72 L of hydrogen at NTP reacts in 15 minutes, the averge current produced in ampres is .

In a hydrogen oxyge fuel cell, electricity is produced. In this process H_2 (g) is oxided at anode and O_2 (g) reduced at cathode Given: Cathode O_2(g)+2H_2O(l)+4e^(-)to4OH^(-)(aq) Anode H_2(g)+2OH^(-)(aq)to2H_2O(l)+2e^(-) 4.48 litre H_2 at 1atm and 273 k oxidised in 9650 sec. The current produced is (in amp):

In a hydrogen oxyge fuel cell, electricity is produced. In this process H_2 (g) is oxided at anode and O_2 (g) reduced at cathode Given: Cathode O_2(g)+2H_2O(l)+4e^(-)to4OH^(-)(aq) Anode H_2(g)+2OH^(-)(aq)to2H_2O(l)+2e^(-) 4.48 litre H_2 at 1atm and 273 k oxidised in 9650 sec. The mass of water produced is :

In a hydrogen oxyge fuel cell, electricity is produced. In this process H_2 (g) is oxided at anode and O_2 (g) reduced at cathode Given: Cathode O_2(g)+2H_2O(l)+4e^(-)to4OH^(-)(aq) Anode H_2(g)+2OH^(-)(aq)to2H_2O(l)+2e^(-) 4.48 litre H_2 at 1atm and 273 k oxidised in 9650 sec. If current produced in fuel cell, is used for the deposition of Cu^(+2) in 1L,2M CuSO_4 (aq) solution for 241.25 sec using Pt. electrode, the pH of solution after electrolysis is:

4 g hydrogen is mixed with 11.2 litre of He at (STP) in a container of volume 20 litre. If the final temperature is 300 K , find the pressure.

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Discuss the working of hydrogen – oxygen fuel cell. What are the advantages of using this fuel cell?

AAKASH INSTITUTE ENGLISH-ELECTROCHEMISTRY -Assignment (SECTION A) Objective Type Questions (One option is correct)
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