physical chemistry(redirected from P-chem)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to P-chem: Physical chemist
Scientific analysis of the properties and behavior of chemical systems primarily by physical theory and technique, as, for example, the thermodynamic analysis of macroscopic chemical phenomena.
(Chemistry) the branch of chemistry concerned with the way in which the physical properties of substances depend on and influence their chemical structure, properties, and reactions
the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
The branch of chemistry that is concerned with the physical structure of chemical compounds, the amount of energy they have, the way they react with other compounds, and the bonds that hold their atoms together.
Switch to new thesaurus
|Noun||1.||physical chemistry - the branch of chemistry dealing with the physical properties of chemical substances|
interface - (chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
osmotic pressure - (physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane
phase, form - (physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary; "the reaction occurs in the liquid phase of the system"
plasma - (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons; "particles in space exist in the form of a plasma"
system - (physical chemistry) a sample of matter in which substances in different phases are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system generating hydrogen peroxide"