Balancing Equations

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

Balance this equation: SnO2 + H2 --> ? + ?

Back

1, 2, 1, 2

Front

Is this equation balanced? SnO2 + H2 --> Sn + H2O

Back

Yes

Front

The two sides of a chemical equation are called?

Back

Reactants (left) and Products (right)

Front

Balance this equation: CF4 + Br2 --> ? + ?

Back

1, 2, 1, 2

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change in a reaction.

Front

What are products in a chemical equation?

Back

Substances formed as a result of a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction.