Chapter 6 Balancing Chemical Equations And Chemical Change Flashcards Preview

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Flashcards in Chapter 6 Balancing Chemical Equations And Chemical Change Deck (13):
1

Matter

Anything that has mass or takes up space

2

Chemistry

The study of matter and how it changes

3

What are the two properties of matter

Physical and chemical

4

Physical property

A characteristic of of a substance that can be observed without changing the substance into another substance

5

Chemical property

A characteristic of a substance that describes its ability to change into other substances

6

Physical change

A change that alters the form or appearance of a substance but does not make the substance into a new substance

7

Chemical reaction

A change in matter that produces one or more new substances, it is a chemical change

8

Chemical change

Occupies when bonds break and new bonds form

9

What is the evidence for a chemical reaction?

Changes in energy and formation of a new substance

10

Precipitate

A solid that forms from solution during a chemical reaction

11

Endothermic reaction

A reaction in which energy is absorbed

12

Exothermic reaction

A reaction that releases energy in a form of heat

13

Conservation of mass

During a chemical reaction matter is not created or destroyed