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Why does the mass stay the same?
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Why does the mass stay the same?

User Nik Yekimov
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Answer: No atoms are added or taken away from the system

explanation; so the mass stays the same. Even in a chemical reaction when atoms interact and create new products, mass is conserved. This is because the new substances created are composed of atoms that were present in the reactants.

User Manish Tiwari
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No atoms are added or taken away from the system, so the mass stays the same. Even in a chemical reaction when atoms interact and create new products, mass is conserved. This is because the new substances created are composed of atoms that were present in the reactants.

User Hou Lu
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