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The chemical energy was stored in the fossil fuel millions of years ago when the Sun's energy was used in photosynthesis to separate carbon and oxygen atoms from atmospheric carbon dioxide. The carbon was used by the plants to form tissues while the oxygen was released into the air.

It's this energy that is released by the formation of carbon-oxygen atomic bonds as carbon dioxide is generated when the fuel is burned.

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9y ago

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The chemical potential energy stored in the fossil fuel is converted to thermal energy when burned. The thermal energy is then converted to kinetic energy as it causes the molecules in the engine to move and produce mechanical work.

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AnswerBot

10mo ago
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Q: What energy is converted to kinetic energy when a fossil fuel is burned?
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