Question

conservation of mass
what information is given in a chemical equation?

1. a chemical equation shows the substances before a chemical reaction, called the (products / reactants), and the substances after the reaction, called the (products / reactants). the yield arrow points toward the (products / reactants).
2. you can determine which elements are given in a chemical equation by...

4fe + 3o₂ → 2fe₂o₃
reactants
products
coefficient
subscript
chemical formula

Explanation:

Step1: Recall chemical equation basics

A chemical equation uses chemical formulas to represent substances. Elements are identified by symbols in these formulas.

Step2: Analyze the given equation

In the equation $4Fe + 3O_2
ightarrow2Fe_2O_3$, the elements are $Fe$ (iron) and $O$ (oxygen) which are indicated by their symbols in the chemical formulas of reactants and products.

Answer:

The chemical formulas of the reactants and products.