Question

what information is given in a chemical equation?
choose 2 answers:
a the mass of the reactants
b the colors of the chemicals involved
c how fast the reaction occurs
d the new substances that formed
e the substances present before the reaction

Explanation:

A chemical equation shows the substances that react (reactants, which are present before the reaction) and the new substances that are formed (products). It does not directly show the mass of the reactants (unless molar masses are used in stoichiometry calculations which is an extension beyond the basic equation representation), the colors of the chemicals, or how fast the reaction occurs.

Answer:

D. the new substances that formed, E. the substances present before the reaction