HgI is not a chemical reaction, it is the empirical formula for the compound Mercury (I) iodide, Hg2I2
A chemical reaction is represented by a chemical equation.
The reactants are the substances that undergo the chemical reaction, and are shown on the left side of a chemical equation. The products are produced by the chemical reaction, and are shown on the right side of the chemical equation.
Chemical formula is representative for the chemical compositon of a compound. Chemical equation is representative (describe) for a chemical reaction.
The chemical equation is the word expression of a chemical reaction.The rate of reaction give information about the speed of this reaction.
A chemical equation is the graphic expression of a chemical reaction.
2KI + HgCl₂ -----> 2KCl + HgI₂
A chemical reaction can be represented by a chemical equation.
We see the chemical reaction but we write the chemical equation.
A chemical reaction is represented by a chemical equation.
A chemical equation is the graphic form of the reaction.
The written statement that shows a chemical reaction is called an "equation". The representation of each reactant is called its chemical formula.
A chemical equation is a shorthand description of a chemical reaction.
The chemicals on the right side of a chemical equation
A chemical equation lets humans explain a chemical reaction. When the same reaction occurs repeatedly, the equation serves to remind us of what happened in the reaction.
A stoichiometric equation is a notation that describes a chemical reaction using chemical formulae. An example is CH4 + 2 O2 -> CO2 + 2 H2O
The reactants are the substances that undergo the chemical reaction, and are shown on the left side of a chemical equation. The products are produced by the chemical reaction, and are shown on the right side of the chemical equation.
A chemical reaction is a graphical representation of a chemical reaction.