Answer to Question #174478 in General Chemistry for Ivan

Question

A proton exchange membrane fuel cell release 286kJ energy per mile of water fall, if this quality of energy is required to produce 1 kilowatt of energy.

A) how many kilojoules of energy must the fuel cell release to generate 10 kilowatt of electricity.

B) what is the number of mole of water fall.

C) state the assumption upon which you optain your submission in A and B above.

Answer 1

1 kilowatt= 286KJ

10 kilowatts = 286 x 10 = 2860KJ

number of mole = 10 moles

fuel cell