Chemical Reactions Study Guide Review

Front

What is the difference between an open and closed system during a chemical reaction?

Back

In an open system, gas can escape; in a closed system, gas cannot escape.

Front

What do exothermic reactions feel like to the touch?

Back

Exothermic reactions feel warm to the touch.

Front

What does endothermic mean in terms of energy?

Back

Endothermic means energy is going into the system.

Front

In an exothermic reaction, what happens to heat?

Back

In an exothermic reaction, heat is released.

Front

What is a solid produced when mixing two liquids called?

Back

A solid produced when mixing two liquids is called a precipitate.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that transforms one or more substances into different substances.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant?

Back

A reactant is a substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.

Front

What is an example of an exothermic reaction?

Back

An example of an exothermic reaction is combustion, such as burning wood.