Category Archives: Physical Chemistry

State Variables

State Variables A thermodynamic system has to be macroscopic (having a sufficient larger size); this eases measurement of its properties such as; Pressure Volume Temperature Composition Density Such properties are consequently called macroscopic or bulks. These properties are also called


System Any part of the universe which is under study is called a system. It can be as simple as a gas contained in a closed vessel or as complicated as a rocket shooting towards moon. A system may be


CHROMATOGRAPHY AND IT TYPES Chromatography is an analytical method widely employed in the field of chemistry and biology for separation.  The method is used mostly with a natural occurring substance, because most of this naturally occurring substance are mixture of