Chemical Reactions

Front

What are Chemical Reactions?

Back

A process in which atoms rearrange to form new substances.

Front

Which of the following is a sign that a chemical reaction has occurred?

Back

Change in color.

Front

What is the process by which one or more substances change to produce one or more different substances?

Back

Chemical Reaction.

Front

In a chemical equation, what are the substances called that undergo change?

Back

Reactants.

Front

In the equation @@6CO_2 + 6H_2O ightarrow C_6H_{12}O_6 + 6O_2@@, how many carbon atoms are balanced on each side?

Back

6.

Front

What is a product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.

Front

What is a reactant in a chemical reaction?

Back

The starting substances that undergo change during a chemical reaction.

Front

What does a chemical equation represent?

Back

A chemical equation represents the reactants and products in a chemical reaction, showing the conservation of mass.

Front

What is a sign of a chemical reaction involving gas?

Back

Bubbling or fizzing.

Front

What is the law of conservation of mass?

Back

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