The first law of thermodynamics

The first law of thermodynamics - For instance, the...

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The first law of thermodynamics states that energy can neither be  created nor destroyed.  This law implies that the total amount of energy in a closed system  (for example, the universe) remains constant. Energy neither enters  nor leaves a closed system. Within a closed system, energy can change, however. 
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Unformatted text preview: For instance, the chemical energy in gasoline is released when the fuel combines with oxygen and a spark ignites the mixture within a car's engine. The gasoline's chemical energy is changed into heat energy, sound energy, and the energy of motion....
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