When coal is burned to produce electricity, the electrical energy produced
is less than the potential energy of the coal. Which best explains this
observation?
as the coal is heated, the molecules move so fast that they are destroyed
some of the energy in the coal is destroyed by the intense heat required to release its
potential energy
some of the potential energy in the coal is converted into forms of energy other than
electricity
the amount of energy in the coal is not known
Answers: 1
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?
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Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon
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When coal is burned to produce electricity, the electrical energy produced
is less than the potent...
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