Changes in Matter

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Description and Tags

Vocabulary flashcards covering the definitions of physical and chemical changes, chemical reactions, reactants, and products based on the lecture notes.

5 Terms

1
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Physical change

Any change that alters the form or appearance of a substance but does not change it into another substance.

2
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Chemical change

A change in matter that produces one or more new substances, during which atoms rearrange to form new substances.

3
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Chemical reaction

Another term for a chemical change, where a change in matter produces one or more new substances.

4
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Reactants

Substances that undergo chemical changes in a chemical reaction.

5
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Products

The new substances that form as a result of a chemical change.