Question

How do particles differ after a chemical change?

Answer 1

Answer:

The chemical reaction produces a new substance with new and different physical and chemical properties. Matter is never destroyed or created in chemical reactions. The particles of one substance are rearranged to form a new substance. The same number of particles that exist before the reaction exist after the reaction.

Answer 2

The particles of the substance are rearranged after a chemical change.

The difference between a physical change and a chemical change is that in a chemical change, the particles of a substance are rearranged to form a new compound.

This regrouping of particles is really what yields the product. The product is always chemically different from the starting materials.

Hence, the particles of a substance are rearranged during a chemical change.

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