Types of Chemical Reactions

Front

What type of reaction is represented by the equation: 2Na + S → Na2S?

Back

Synthesis reaction

Front

What does the arrow (→) signify in a chemical reaction?

Back

It signifies 'yields' or 'produces'.

Front

What type of change occurs when an ice pack gets cold after being placed in the freezer?

Back

Physical Change

Front

How is a decomposition reaction represented?

Back

AB → A + B

Front

What is a chemical change in which a single compound breaks down into two or more simpler products called?

Back

Decomposition reaction

Front

What type of reaction involves two compounds exchanging ions?

Back

Double Replacement reaction

Front

What is the term for a reaction that releases energy in the form of heat?

Back

Exothermic reaction

Front

What type of reaction occurs when a substance combines with oxygen to produce energy?

Back

Combustion reaction

Front

What is the general form of a synthesis reaction?

Back

A + B → AB

Front

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

Back

A physical change does not alter the chemical composition, while a chemical change does.