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It means that the total amount of mass (or energy) won't change.
The Law of Conservation of Energy states:

Energy cannot be created or destroyed but merely change from one form to another.

Einstein showed that matter is a form of energy. When a nuclear decay occurs there is a minuscule loss of mass that is transformed into energy. This is used in nuclear power plants (and atomic explosions).

E = mc2

Even though the change in mass may be small c, the speed of light is huge and it is squared, therefore, energy is large. c = 3.00 x 108 m/s or 186000 mi/s

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7mo ago

The law of conservation of mass states that in a closed system, mass cannot be created or destroyed, only transformed or rearranged. The law of conservation of energy states that energy cannot be created or destroyed, only converted from one form to another or transferred between objects. Both laws are fundamental principles in physics that describe the preservation of mass and energy in various physical processes.

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Q: What is the law of conservation of mass and law of conservation of energy?
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Related questions

How are the law of conservation of enegry and the law of mass similar?

The Law of conservation of Energy applies to mass as mass is a form of energy, E=mc2.


Does burning wood violate the law of conservation of energy?

No, nothing can violate the law of conservation of energy, it's a law! Energy can convert to mass, and mass can convert to energy, but the overall total of mass and energy in the universe is constant.


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

law of conservation of energy and mass


What is meant by conservation of mass and energy?

Law of mass conservation in chemistry: in a chemical reaction the mass of reactants is equal to the mass of products.Law of energy conservation: in a closed system the energy remain constant.


What are some alike things to the law of conservation of matter?

There is the law of conservation of mass, and the law of conservation of energy. All three state: (Mass/Matter/Energy) cannot be created or destroyed, simply transferred.


How was the law of conservation of mass determined?

The law of conservation of mass states that in an isolated system, energy is neither created nor destroyed. It was first described by Antoine Lavoisier in 1789 and was later amended by Einstein in the Law of Conservation of Mass-Energy.


Law that states that energy cannot be created or destroyed?

The law that states energy cannot be created or destroyed is the First Law of Thermodynamics. It is also known as the Law of Conservation of Energy, which states that energy can only change forms or be transferred from one system to another.


What law represents a balanced chemical equation?

The law of conservation of mass, which states that in a closed system, mass is neither created nor destroyed, it can only change form. This means that in a chemical reaction that takes place in a closed system, the mass of the reactants equals the mass of the products.


How are the law of conservation of mass and the law of conservation of energy similar?

In both cases, something is conserved - it doesn't change over time.Also, mass and energy are equivalent. If something has energy, it has mass, and vice versa.


How are the law of conservation of energy and law of conservation of mass similar?

In both cases, something is conserved - it doesn't change over time.Also, mass and energy are equivalent. If something has energy, it has mass, and vice versa.


How are the law of conservation of energy and the law of conservation of mass similar?

In both cases, something is conserved - it doesn't change over time.Also, mass and energy are equivalent. If something has energy, it has mass, and vice versa.


What scientific law is satisfied when balancing equations?

Law of Conservation of mass(atomic mass). As mass can be considered relative to energy, therefore Law of Conservation is also correct but Law of conservation of mass is is much more accurate because here mass is a much more accurate term that is required here. Here, since, we are balancing molecules, then we require atomic or molecular mass.