Chemistry- matter and changes/separation techniques

Chemistry

the study of matter and the changes it undergoes

Matter

anything that has mass and volume (takes up space)

Matter flow chart

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Chemical change

bonds are breaking (new substances are formed)

Physical Changes

Bonds are not breaking (substances are retained) change to the way it looks

Law of conservation of matter

In chemical changes matter is not created or destroyed

Distillation

changing a liquid to a vapor back into a liquid (different boiling points); physical seperation

Filtering

solid particles in a liquid or gaseous fluid are removed using a filtering medium; physical seperation

Decomposition

when a single compound breaks down into 2 or more elements/compounds; chemical seperation

Electrolysis

when an electrical current is passed through a substance; chemical separation