This video explains the basic concept of intensive and extensive properties. Intensive properties are properties that do not depend on the quantity of matter. Difference between intensive property and extensive. This video is highly rated by class 11 students and has been viewed 9 times. A method to illustrate the extensive and intensive properties of. Thermodynamic properties are divided into two broad types. If we divide the volume by the number of moles, we get a molar volume. Multiple choice questions on system, extensive and intensive properties. Each is directly related to a second order differential of a thermodynamic potential. There are some extensive properties that can be used as intensive. The terms intensive and extensive were first described by physical chemist and physicist richard c. In thermodynamics, variables are classified as either extensive or intensive. An extensive property is different for different parts of the system if. Thermodynamic properties can be divided into two general classes, intensive and extensive properties.
Pdf a method to illustrate the extensive and intensive properties of. Intensive properties and extensive properties are types of physical properties of matter. Heres a look at what intensive and extensive properties are, examples of. What is extensive and intensive property definition. Extensive properties are the properties which are dependent on the mass or size of the system. Thermodynamic equilibrium, intensive and extensive properties. Mannaerts tries to argue that there is a fundamental difference in presenting extensive properties as additive or as. Relationship between intensive and extensive properties. Mass, total volume and energy are examples of extensive properties. An intensive property is a property which is same for any part of a system regardless of the size and shape of the part you are considering. If you double the length of all edges of a solid cube, the volume increases by a factor of eight. Any property of a system that does not depend on the actual quantity of matter contained in the system is called intensive property. The most common example is density, which is the ratio of mass and volume both extensive but is itself intensive, since it does not change as the amount of a substance changes.
Internal energy, e, is an example of an extensive variable. That means intensive properties are not related to the mass. The value of an extensive property varies directly with the mass. Before discussing these properties lets come to know about what is property. Addison and others published a method to illustrate the extensive and intensive properties of thermodynamic variables find, read and cite all the research you. Intensive properties are those properties of the system which do not depend on the extent of the system. For example, enthalpy of a thermodynamic system is one extensive property as the more is the mass of the concerned matter, the higher will be the enthalpy of the system. Intensive and extensive properties free download as pdf file.
A method to illustrate the extensive and intensive. Pdf a method to illustrate the extensive and intensive. There are four properties in any thermodynamic system, two are intensive and two are. Intensive vs extensive properties flashcards quizlet. For example, when gravity may be assumed constant, the ratio of the extensive properties mass and volume, the density, is an intensive property. In this article we will learn about difference between intensive and extensive properties.
An intensive variable is one that does not depend on the. The state of a simple compressible system is completely specified by two independent, intensive properties. A thermodynamic system is defined as a definite quantity of matter or a region in space upon. What are the intensive properties of thermodynamics. An extensive property is any property that depends on the size or extent of the system under consideration. As chester said in the comments, it is worth noting that heat as well as work applied to a system can cause changes in the thermodynamic equilibrium state of the system. Some properties of matter depend on the size of the sample, while some do not. Extensive and intensive properties chemistry libretexts. Intensive and extensive properties thermodynamic properties.
Difference between intensive property and extensive property. Examples of intensive properties include temperature, t. Color, temperature, and solubility are examples of intensive properties. Extensive variables are those that vary linearly with the size of the system. Temperature, pressure, specific volume,and density are examples of intensive properties. The common examples of these properties are temperature, pressure, refractive index, viscosity, density, surface tension, specific heat, freezing point, boiling point etc. The distinction between intensive and extensive properties has some theoretical uses.
System, surroundings, types of systems, intensive and. Physical properties are in two types as intensive properties and extensive properties. Thermodynamic properties can be divided into two general classes. The difference between intensive and extensive properties. However, it can become an intensive property if it is considered as a unit value, such as the molar volume the volume of a mole of the substance. Topic1560 extensive and intensive properties the terms, variables. An extensive property is dependent upon the amount of mass present or upon the size or extent of a system. Thus, specific extensive properties are basically intensive properties. System, surroundings, types of systems, intensive and extensive properties system.
An intensive property is a property of matter that depends only on the type of matter in a sample and not on the amount. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Nevertheless a given thermodynamic property of a system can be classified as either intensive or extensive. Thus, if a quantity of matter in a given state is divided into two equal parts, each part will have. The ratio of any two extensive properties is an intensive property. Mass and weight, for example, are extensive properties, but their ratio density is an intensive product property. Since the concept of intensive and extensive properties only applies to physical properties that are a function of state, heat is neither intensive nor extensive.
Physical properties of materials and systems can often be categorized as being either intensive. Intensive and extensive property thermodynamics in hindi duration. The points given below are substantial so far as the difference between intensive and extensive farming is concerned. An extensive property is a property that depends on the amount of matter in a sample. For example, in thermodynamics, according to the state postulate. The ratio of two extensive properties is scaleinvariant, and is therefore an intensive property. Pressure, temperature, boiling point, melting point, density, concentration etc. By the definition of an extensive quantity if the size of system is increased by a factor of. In equilibrium thermodynamics systems can be described in terms of properties which are either 1 intensive, 2 extensive, or 3 neither intensive nor. Heres a look at what intensive and extensive properties are, examples of them, and how to tell them apart. Intensive and extensive thermodynamic properties qs study.
Can you explain the extensive and intensive property of. Note that any extensive property can be made into an intensive property by. Intensive and extensive properties thermodynamics engineers edge. That means extensive properties are directly related directly proportional to the mass. Intensive and extensive properties definition, examples.
Intensive farming is an agricultural method of increasing the crop yield by heavy use of chemicals such as fertilizers, pesticides, etc. Compressibility or its inverse, the bulk modulus isothermal compressibility. Extensive and intensive properties chemistry for nonmajors. That which you can grasp, cut, twist, and turn is extensive. Call our mentors at byjus for further support on intensive and extensive properties of matter.
With this set of clearly defined vocabulary, we can now discuss how thermodynamic properties are measured. Extensive and intensive properties of thermodynamics class. I think the way you understand extensive and intensive is a bit wrong. For example, pressure and temperature are intensive properties. Thermodynamic properties of a system may be classified into two groups.
Extensive and intensive properties extensive properties. Key differences between intensive and extensive farming. The mass of an object is a measure of the amount of matter that an object contains. Addison and others published a method to illustrate the extensive and intensive properties of thermodynamic variables find. Apr 03, 2020 extensive and intensive properties of thermodynamics class 11 video edurev is made by best teachers of class 11. The intensive and extensive properties of matter help us in determining the thermodynamic state of a system. Intensive lower case versus extensive upper case variables intensive and extensive variables when considering physical systems, it is often very useful to stay aware of whether the property being considered is intensive or extensive. An intensive property is a system of properties that does not depend on the amount or size of the material, whereas the extensive property is a system of properties that depends on the amount or size of the material. Other intensive properties are derived from those two variables. Thus, if a quantity of matter in a given state is divided into two. Difference between intensive and extensive farming with. An intensive property is a bulk property, meaning that it is a local physical property of a system that does not depend on the system size or the amount of material in the system.
The resistance of a wire depends on area and length. Thermodynamic properties can be divided into 2 two general classes such as intensive and extensive properties. This implies it depends on the quantity of the wire. How will you distinguish between intensive and extensive. Although extensive properties are good to describe a sample, they are not very helpful to classify it as they may change depending on sample size or conditions. Extensive properties are those properties which depend on the extent of the system.
These are the properties which depend on only upon the nature of the substance and are independent of the amount of the substance present is the system. Read pdf metallurgical thermodynamics problems and solution of thermodynamics problem solving carnot heat engines, efficiency, refrigerators, pumps, entropy, thermodynamics. The thermodynamic properties of materials are intensive thermodynamic parameters which are specific to a given material. This terminology of intensive and extensive properties was introduced by richard c. To the extent that its appropriate to treat it as a thermodynamic quantity, given that its generally a description of a specific, macroscopic system and thus violates the statisticalmechanical largenumbers assumption of thermo, resistance is extensive, always. Describe the terms, classical thermodynamics, quantum mechanics, statistical. Intensive and extensive variables university of utah. Intensive and extensive properties wikimili, the best. Extensive properties include mass, volume, length, height etc. An intensive property is independent of the amount of mass. Mp 1 2 what is the difference between extensive and intensive properties. A method to illustrate the extensive and intensive properties of thermodynamic variables. Mass and volume are examples of extensive properties.
What are intensive and extensive properties in thermodynamics. Intensive and extensive properties formulasearchengine. Intensive and extensive properties there are certain properties which depend on the size or extent of the system, and there are certain properties which are independent of the size or extent of the system. There are, of course, various ways of practising listening that need to be done during the preparation of exams or in the learning of english. The main difference between intensive and extensive properties is that intensive properties do not depend on the amount of matter whereas extensive properties depend on the amount of matter. Intensive properties on the other hand, do not depend on the mass or size of the systems being measured.
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