Chemical Equations and Balancing

Front

What is the right part of a chemical equation called?

Back

Products

Front

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

Back

Subscript

Front

What is the term for the number placed in front of a compound in a chemical equation to indicate how many molecules are present?

Back

Coefficient

Front

What does it mean for a chemical equation to be balanced?

Back

The number of atoms for each element is the same on both sides of the equation.

Front

What is the general form of a chemical equation?

Back

Reactants -> Products

Front

In the equation 2H2 + O2 -> 2H2O, what are the reactants?

Back

H2 and O2

Front

In the equation 2H2 + O2 -> 2H2O, what are the products?

Back

H2O

Front

How do you determine if a chemical equation is balanced?

Back

Count the number of atoms of each element on both sides and compare.

Front

What is the purpose of balancing a chemical equation?

Back

To obey the law of conservation of mass.

Front

What is the balanced equation for the reaction of aluminum and hydrochloric acid?

Back

2Al + 6HCl -> 3H2 + 2AlCl3