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The law of conservation of energy (also known as the 1st law of thermodynamics) states that energy can neither be created nor destroyed.

There is one caveat to that, however.

If you include the famous equation E=M Csquared (couldn't get the superscript to show up there), then mass and energy are conserved, not just energy. In a fusion reaction, for example, the "mass" posessed by the nuclear potential energy released is large enough to represent a loss of mass to the original material (also known as the "mass defect"). This nuclear potential energy normally shows up as included in the mass of the system before the reaction so it appears that energy has been created. The analogous release of electrical energy in some chemical reactions is too small to create a measurable mass defect.

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Related Questions

What states that energy can never be created or destroyed?

the conservation of energy


What law states that energy is never created or destroyed?

The law that states energy is never created or destroyed is the First Law of Thermodynamics, also known as the Law of Conservation of Energy. This law states that energy can be transferred or transformed, but it cannot be created or destroyed.


What does the law of conservation state?

The law of conservation states that energy can neither be created or destroyed but can be found existing in different forms


What is a nonexample of conservation of energy?

A nonexample of conservation of energy would be a situation where energy is created or destroyed without any explanation in a system. This violates the principle of conservation of energy, which states that energy cannot be created or destroyed, only transferred or transformed.


What law states that energy cannot be created or destroyed?

Law of energy conservation. It shows that energy cannot be created or destroyed


Can the law of conservation of energy be violated?

No, the law of conservation of energy states that energy cannot be created or destroyed, only transferred or transformed. It cannot be violated.


What does the law of conservation of energy explain?

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. This means that the total energy in a closed system remains constant over time.


How does the law of the conservation of energy pertain to kinetic and potential energy?

The Law of Conservation of Energy states that energy can not be created or destroyed, it can only be transformed. So, kinetic energy is not created, it is transformed from potential energy, and vice versa.


What is the law of conversation?

The law of conservation states that energy cannot be created or destroyed, only changed from one form to another. It is a fundamental principle in physics that governs the behavior of energy in the universe.


The law of conservation of energy states is never created or destroyed?

The law of conservation of energy states that energy cannot be created or destroyed, only transferred or transformed from one form to another. This means that the total energy in a closed system remains constant over time.


This law states that energy or mass cannot be created or destroyed?

law of conservation of energy and mass


What scientific law states that charges aren't created or destroyed?

[the law of conservation of energy]Wrong: The law of conservation of energy says that energycannot be created or destroyed. Do not change an answer unless you know the answer.The correct answer is the Law of Conservation of Charge, which states that the net charge of an isolated system remains constant.