articles repository. Viscosity definition is - the quality or state of being viscous : a sticky or glutinous consistency. The formula is: Where: N S = viscosity of solution N 0 = viscosity of solvent c = concentration in grams/mL Kinematic Viscosity Viscosity is an empirical quantity that describes the resistance a fluid offers to induced flow under the action of an external force. Viscosity is thickness, or a measure of how resistant a liquid is to flowing. basic-of-lubricants-lubrication. Menu. For exact definitions of various viscosities open IUPAC Gold Book and search for "viscosity" (left toolbar) – you will see it's the same physical terms. Chemistry Dictionary. $\endgroup$ – andselisk ♦ Oct 17 '17 at 15:28 Each data set is analyzed in order to determine the activation energy (Ea) for viscous flow of the given liquid. Return to top of page. Measurement of the flow properties of a material expressed as its resistance to flow. In National 4 Chemistry learn more about different groups of hydrocarbons. Viscosity is the resistance to flow, or how thick a fluid is. Looks like you’ve clipped this slide to already. In dynamic viscosity tangential force is required to move one horizontal plate of a fluid with respect to another. Goal: The viscosity of three simple liquids is given over an extended temperature range. Simply put, we can say that honey is thicker than water; in turn, honey is more viscous than water. What is Viscosity? The viscosity of a fluid can be measured with simple equipment, such as seeing how far a fluid can flow down an incline. Definition of Viscosity. Physical Chemistry Lecture 3 Viscosity and sedimentation Viscosity Fluids resist a gradient of flow Tries to achieve constant speed across the sample This resistance creates a force called the viscous drag viscosity coefficient (or just viscosity) Viscosity is measured in poise (10-1 kg m-1 s-1) dx dv Fdrag A Measurement of viscosity Start studying What is Viscosity?. Viscosity is a measure of the resistance of a fluid to deformation under shear stress. Tech I semester Mr. M Praveen Assistant Professor … Prerequisites: The tasks associated with this assignment can be carried out with an introductory level knowledge of chemistry. Dictionary Thesaurus Examples Sentences Quotes Reference Spanish Word … $\begingroup$ Viscosity is defined in chemistry and physics pretty much equally. How to use viscosity in a sentence. K-Value Definition: (1) A number calculated from dilute solution viscosity measurements of a polymer; sometimes used to indicate likely degree of polymerization/molecular size. Simply put, viscosity refers to the “fluid’s resistance to flow.” Viscosity also describes the internal friction of a moving liquid. [SEMATECH] Search the Dictionary for More Terms. Particle size (bigger = bulkier = increase in viscosity) ...| PowerPoint PPT presentation | free to view. The definition of viscosity can be written as: The viscosity of a fluid is a measure of its resistance to deformation at a given rate. Dictionary ! In other words, viscosity describes a fluid’s resistance to flow. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Hydrocarbons are compounds which contain hydrogen and carbon only. It is commonly perceived as "thickness", or resistance to pouring. 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