Balancing Chemical Equations

Front

What is located to the right of the arrow in a chemical equation?

Back

Products

Front

Balance the following equation: __Zn + __HCl --> __ZnCl2 + __H2

Back

1, 2, 1, 1

Front

Determine the coefficients to balance the chemical equation: ___Al + ___O2 --> ___Al2O3

Back

4, 3, 2

Front

What is the small number after an element in a chemical equation called? Example: H2

Back

Subscript

Front

Determine the coefficients to make the following equation balanced: __N2 + __O2 --> __NO

Back

1, 1, 2

Front

What are the substances called that undergo a chemical change in a reaction?

Back

Reactants

Front

What is the purpose of balancing a chemical equation?

Back

To ensure the law of conservation of mass is followed.

Front

What does a coefficient in a chemical equation represent?

Back

The number of molecules or moles of a substance.

Front

What is the law of conservation of mass?

Back

Matter cannot be created or destroyed in a chemical reaction.

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction.