Chemical Reactions and Equations

Front

How do we represent chemical reactions?

Back

through balanced chemical EQUATIONS

Front

What does the arrow mean in a chemical equation?

Back

yields

Front

What do we call the substances that are broken apart or combined in a chemical reaction and are located on the left side of the arrow?

Back

reactants

Front

What do we call the new substances formed in a chemical reaction, located on the right side of the arrow?

Back

products

Front

When a substance is broken apart or when substances are combined and at least one new substance is formed, a ______________ has occurred.

Back

chemical reaction

Front

List the possible types of evidence that a chemical reaction has occurred.

Back

unexpected temperature change, light given off, precipitate formed (unexpected solid), change in properties, unexpected color change, gas (bubbles) produced

Front

What number represents the coefficient?

Back

4

Front

What number represents the subscript?

Back

3

Front

What element is represented by the letter "N"?

Back

nitrogen

Front

How many "N's" do you have?

Back

12