Inv.9.Exp. 1. Practice Balancing Chemical Reactions

Front

What is the Law of Conservation of Mass?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

Balance the equation: __BF3 + __Li2SO3 --> __B2(SO3)3 + __LiF

Back

2,3,1,6

Front

Balance the equation: __NaClO3 --> __NaCl + __O2

Back

2,2,3

Front

Balance the equation: __C6H12O6 + __O2 --> __H2O + __CO2

Back

1,6,6,6

Front

Balance the equation: 2Li + Cl2 --> ?

Back

2Li + Cl2 --> 2LiCl

Front

What is a balanced chemical equation?

Back

A chemical equation where the number of atoms for each element is the same on both sides.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

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

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction.