Chemical Reactions Introduction

Front

What is a chemical equation?

Back

A chemical equation is represented with symbols and formulas, showing the identities and relative amounts of the reactants and products in a chemical reaction.

Front

What is evidence of a chemical reaction?

Back

Evidence of a chemical reaction includes observable changes such as bubbles forming.

Front

What do combustion reactions always involve?

Back

Combustion reactions always involve oxygen and heat/energy.

Front

What type of reaction involves breaking down a substance into simpler substances?

Back

A decomposition reaction.

Front

How does a chemical change differ from a physical change?

Back

A chemical change results in the formation of a new substance, while a physical change does not.

Front

What is a reactant?

Back

A reactant is a substance that undergoes a chemical change in a 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 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 synthesis reaction?

Back

A synthesis reaction is a type of reaction where two or more substances combine to form a new compound.

Front

What is a single displacement reaction?

Back

A single displacement reaction is a type of reaction where one element replaces another in a compound.