Balancing Equations

Front

What is the reactant side of a chemical equation?

Back

The left side of a chemical equation, which contains the reactants before the yields sign.

Front

How many atoms of aluminum are in the equation: 4Al + 3O₂ → 2Al₂O₃?

Back

4 atoms of aluminum.

Front

Balance the equation: _CF₄ + _Br₂ → _CBr₄ + _F₂

Back

1, 2, 1, 2

Front

What can be placed to the left of a formula to balance a chemical equation?

Back

Coefficient.

Front

Balance the equation: _SnO₂ + _H₂ → _Sn + _H₂O

Back

1, 2, 1, 2

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What does it mean to balance a chemical equation?

Back

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

Front

What is a coefficient in a chemical equation?

Back

A number placed before a formula to indicate how many molecules or moles of that substance are involved.

Front

What is the purpose of balancing chemical equations?

Back

To obey the law of conservation of mass, which states that matter cannot be created or destroyed.

Front

What is the product side of a chemical equation?

Back

The right side of a chemical equation, which contains the products formed after the reaction.