Viscosity and Temperature Relation Viscosity and Temperature The viscosity of liquids usually decreases with increasing temperature. For many liquids the variation of viscosity with temperature may be represented by…
The Viscosity of Liquids The Viscosity of Liquids Liquids flow when placed in an inclined surface or a tube. Some liquids flow more readily than others. Those that flow…
Poiseuille Equation in Viscosity of Liquids The Poiseuille Equation in Viscosity of Liquids Poiseuille studied the flow of liquids through capillaries and deried an expression for the co-efficient of viscosity. Although…
Measurement of Surface Tension in Drop Formation Method Measurement of Surface Tension in Drop formation method: Figure shows a drop of liquid forming at the end of a capillary tube of radius r.…
Surface Tension of Liquid Property It is a matter of common experience that drops of liquid tend to assume a spherical shape. When a steel needle is placed carefully on…
Measurement of Surface Tension in Capillary Rise Method Measurement of Surface Tension in Capillary rise method A number of methods are available for the measurement of surface tension of liquids. Of these a…
Adhesion and Cohesion: Differences Adhesion and Cohesion Attractive force operating between like molecules, as in a pure liquid, is termed the force of cohesion. The term adhesion is used…
Measurement of Vapour Pressure procedure devised by Smith and Menzies Measurement of Vapour pressure procedure devised by Smith and Menzies Smith and Menzies devised a very simple apparatus for measuring vapour pressures of liquids. It…
Measurement of Vapour Pressure procedure devised by Ramsay and Young Measurement of Vapour pressure procedure devised by Ramsay and Young In the procedure devised by Ramsay and Young the external pressure is fixed and the…
Measurement of Vapour Pressure by Isoteniscope Measurement of Vapour pressure by Isoteniscope: In one method described by A. Smith and A W. C. Menzies a device, known as Isoteniscope (Figure) is…