Balancing Chemical Equations

Front

What is the Law of Conservation of Matter?

Back

A law stating that atoms are not created or destroyed during a chemical reaction.

Front

How many Oxygen atoms are in Al(OH)3?

Back

3

Front

What coefficients balance the equation: __Ag2O → __Ag + __O2?

Back

2, 4, 1

Front

Is the equation balanced?: 2H2O + O2 → 4MgO + 3Fe?

Back

No

Front

What is the term for the small number written below an element symbol in a chemical formula?

Back

Subscript

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What is a reactant in a chemical reaction?

Back

The starting materials that undergo change.

Front

What is a product in a chemical reaction?

Back

The new substances formed as a result of the 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 a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules are involved.