Chemical equations are used to model
A.
chemical reactions.
B.
rates of reactions.
C.
molecular structures.
D.
physical changes.

Chemical equations give information in two major areas. First, they tell us what substances are reacting (those being used up) and what substances are products (those being made). Second, the coefficients of a balanced equation tell us in what ratio the substances react or are produced.

668900 atoms in total

Decomposition is the cycle at which bacteria breaks down any organic material into the soil