Balancing Equations

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What is the right part of a chemical equation called?

Back

Products

Front

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

Back

A balanced equation has the same number of each type of atom on both sides.

Front

What is the purpose of balancing chemical equations?

Back

To obey the law of conservation of mass, ensuring that matter is neither created nor destroyed.

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.

Front

What is a subscript in a chemical formula?

Back

A number written below and to the right of a chemical symbol indicating the number of atoms of that element.

Front

How do you balance the equation: _H2 + _O2 -> _H2O?

Back

2, 1, 2 (2H2 + 1O2 -> 2H2O)

Front

What is the balanced equation for: _C4H10 + _O2 -> _CO2 + _H2O?

Back

2, 13, 8, 10 (2C4H10 + 13O2 -> 8CO2 + 10H2O)

Front

What is the balanced equation for: _Fe + _O2 -> _Fe2O3?

Back

4, 3, 2 (4Fe + 3O2 -> 2Fe2O3)

Front

What is the balanced equation for: _Na + _Cl2 -> _NaCl?

Back

2, 1, 2 (2Na + 1Cl2 -> 2NaCl)