a substance that, because of the reactions it causes, is used in analysis and synthesis
a substance that causes a chemical reaction without itself being affected
the condition existing when a chemical reaction and its reverse reaction proceed at equal rates
any of a number of polymers containing alternate silicon and oxygen atoms and that are fluid, resinous, rubbery, extremely stable in high temperatures, and water-repellent
having an unsymmetrical arrangement of atoms in a molecule, or noting a carbon atom bonded to four different atoms or groups
the process or result of a chemical reaction to oxygen, or the deposit that forms on the surface of a metal as it oxidizes