Answered

How does the total amount of electrical energy coming from a power plant compare to the total amount of energy in the fuel that was burned to create that electricity?

A. It is much greater because you can always get more energy out of a system than goes into it.
B. It is exactly the same.
C. It is less because you can never get more energy out of a system than the amount that goes into it.



Answer :

GinnyAnswer

Final answer:

The total electrical energy from a power plant is less than the energy in the fuel burned, due to inefficiencies and limitations governed by the laws of thermodynamics in the conversion process.


Explanation:

The total amount of electrical energy coming from a power plant is less than the total amount of energy in the fuel that was burned to create that electricity.

Power plants only convert a portion of the fuel's energy into electricity, with the rest being dispersed as heat. This is due to limitations governed by the laws of thermodynamics and inefficiencies in the conversion process.

For example, a coal-fired power plant may produce 1000 megawatts of electric power while consuming chemical energy at a rate of about 2500 MW, indicating that the energy output is less than the energy input from the fuel.


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