Types of Chemical Reactions and Balancing Equations

Front

What is a chemical reaction?

Back

A process in which atoms rearrange to form new substances.

Front

What type of reaction is represented by the equation: 2 NaBr + Ca(OH)2 → CaBr2 + 2 NaOH?

Back

Double Displacement

Front

What must be true about the number of atoms in a chemical reaction?

Back

The number of atoms you begin with must be the same as the number of atoms you end with.

Front

What do the red numbers in a chemical equation represent?

Back

Coefficients.

Front

What do the blue numbers in a chemical equation represent?

Back

Subscripts.

Front

What is a synthesis reaction?

Back

A type of reaction where two or more substances combine to form a single product.

Front

What is a decomposition reaction?

Back

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

Front

What is a combustion reaction?

Back

A type of reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat.

Front

What is a single displacement reaction?

Back

A reaction where one element replaces another in a compound.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it remains constant.