It is determined experimentally.

It is not influenced by stoichiometric coefficient of reactants.

It is sum of power to the concentration terms of reactants in rate law equation.

It is always whole number.

High density polythene

Low density polythene

Melamine

PVC

Dipole - dipole interaction

Dipole - induced dipole interaction

London dispersion force

Hydrogen bonding

Valeric acid

Caproic acid

Glutaric acid

Butyric acid