2 years ago

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

Biology

1 answer:

jeka57 [31]2 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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