Question

Why law of conservation of mass should better be called law of conservation of mass and energy​

Answer 1

Answer:

The fundamental conservation law of the universe is the conservation of mass-energy. This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. ... But mass+energy is always conserved. Energy cannot be created out of nothing.

Explanation:

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Answer 2

Answer:

The fundamental conservation law of the universe is the conservation of mass-energy. This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. ... But mass+energy is always conserved. Energy cannot be created out of nothing.

Explanation:

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