23-24 Unit 5 Vocabulary: Chemical Reactions

Front

What is an acid?

Back

A compound that increases the number of hydrogen ions in a solution and has a pH lower than 7.

Front

What is a base?

Back

A compound that decreases the number of hydrogen ions in a solution and has a high pH.

Front

What is an exothermic reaction?

Back

A type of reaction that releases energy to its surroundings and may feel warm.

Front

What is an endothermic reaction?

Back

A type of reaction that absorbs energy from its surroundings and may feel cold.

Front

What is a chemical equation?

Back

A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product?

Back

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

Front

What is combustion?

Back

A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light.

Front

What is neutralization?

Back

A chemical reaction between an acid and a base that produces water and a salt.

Front

What is decomposition?

Back

A type of reaction where a single compound breaks down into two or more simpler products.