Chemistry III Check-in

Front

What is a chemical reaction?

Back

A process that transforms chemical substances into a new substance(s).

Front

What are reactants in a chemical reaction?

Back

The substances present before the reaction occurs.

Front

What happens to temperature in an exothermic reaction?

Back

The temperature increases.

Front

What is the Conservation of Mass in a chemical reaction?

Back

Matter can only be rearranged during the reaction.

Front

Is mixing food coloring with water a chemical change?

Back

False.

Front

What are products in a chemical reaction?

Back

The substances that are created during the reaction.

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat, causing the temperature to decrease.

Front

What is a catalyst?

Back

A substance that speeds up a chemical reaction without being consumed.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance, while a chemical change transforms it into a new substance.

Front

What is an example of a chemical change?

Back

Burning wood.