Balancing Equations

Front

What are the reactants in the equation 2H₂ + O₂ → 2H₂O?

Back

2H₂ + O₂

Front

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

Back

Subscript

Front

How many atoms of carbon (C) are in C₆H₁₂O₆?

Back

6

Front

What are the two sides of a chemical equation called?

Back

Reactants (left) and Products (right)

Front

What do the blue numbers in a chemical equation represent?

Back

Subscripts

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules are present.

Front

What is the purpose of balancing 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 law of conservation of mass?

Back

Matter cannot be created or destroyed in a chemical reaction.

Front

What is a product in a chemical equation?

Back

The substances formed as a result of a chemical reaction.

Front

What does it mean to balance an equation?

Back

To adjust the coefficients so that the number of atoms of each element is equal on both sides.