Chemical Reactions CFU

Front

What is a chemical reaction?

Back

A process in which substances (reactants) undergo a transformation to form new substances (products).

Front

What is the law of conservation of mass?

Back

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

Front

What is a decomposition reaction?

Back

Front

What is a single replacement reaction?

Back

Front

What is a double replacement reaction?

Back

A reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is a combination reaction?

Back

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

Front

What is combustion?

Back

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

Front

How can you tell if a chemical equation is balanced?

Back

A chemical equation is balanced when the number of atoms of each element is the same on both sides of the equation.

Front

What happens to particles during a chemical reaction?

Back

Particles rearrange to form new substances, and some may escape as gases, leading to changes in mass.

Front

What is the role of heat in chemical reactions?

Back

Heat can provide energy to initiate reactions or can be released during exothermic reactions.