8.P.1.3 Chemical and Physical Changes Vocab Flashcard

Front

Chemical substance at the start of a reaction

Back

reactant

Front

Solid formed from mixing 2 solutions with a chemical change

Back

precipitate

Front

Chemical reaction releasing heat

Back

exothermic

Front

Tightly packed matter (mass/volume)

Back

density

Front

Compounds with pH < 7

Back

acid

Front

Compounds with pH > 7

Back

Base

Front

Ability of a substance (solute) to dissolve in a liquid (solvent).

Back

solubility

Front

Chemical reaction that absorbs heat

Back

Endothermic

Front

Only physical properties of a substance change (state, size, shape)

Back

Physical change

Front

Reaction forming new substances with new properties

Back

chemical reaction