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Natasha_Volkova [10]
3 years ago
7

Explain how physical and chemical changes affect the mass of a material

Biology
1 answer:
jeka57 [31]3 years ago
6 0

Answer:

Explanation:

During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.

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