Respuesta :
The cost of producing the amount of H₂ equivalent to 1.00 gal of gasoline is $17.05
What is electric power?
The rate per unit time, the electric energy which is supplied by electrical circuit is termed as electric power.
It can be calculated as
Power = V× I
where,
V is the voltage
I is the current in the circuit.
P = 6 × 1000
= 6kJ/s
Conversion of kJ/s into kilowatt hours
power P = 6 × 1kWh/ 3.6 × 10^3
= 1.67 × 10^-3
P = 1.67 × 10^(-3) × 9.4308 × 10^4
= 157.5kWh
Thus, we found that the power required is 157.5kWh.
Calculation of cost of electricity
= power × efficiency × electricity cost per kWh
= 157.5 × 0.88 × 0.123
= $17.05.
Thus, we calculated that the cost of producing the amount of H₂ equivalent to 1.00 gal of gasoline is $17.05.
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DISCLAIMER: The above question is incomplete.
The question can be given as
QUESTION:
Gasoline is a mixture of hydrocarbons, but the heat released when it burns is close to that of octane, C₈H₁₈(l) (ΔHf° = -250.1 kJ/mol). Research is underway to use H₂ from the electrolysis of water in fuel cells to power cars instead of gasoline. Given current is 1000A and voltage is 6V.
If the cell is 88.0% efficient and electricity costs $0.123 per kW.h, what is the cost of producing the amount of H₂ equivalent to 1.00 gal of gasoline?
