MolecularNatureOfMatter

Molecular Nature Of Matter

In 20th century, Richard Feynman one of the great physicists discovered that matter is made up of atoms. About 2000 year ago John Dalton suggested that the smallest constituents of an element are atoms and they cannot be separated any further. Atoms of one element are identical but differ from those of other elements. A

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Thermal Equilibrium

Two systems are said to be in thermal equilibrium with each other, if they have the same temperature. Let two gases A and B contained in two different vessels. Let the pressure and volume of the gases be (PA and PB) and (VA and VB) respectively. If the two vessels are separated by an adiabatic

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Thermodynamic Equilibrium

A system is said to be in the state of Thermodynamic equilibrium, if the microscopic variables describing the thermodynamic state of the system do not change with time. We consider a gas inside a closed rigid container completely insulated from the surroundings. If the pressure, volume, temperature, mass and composition of gas do not change

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Thermodynamics

Thermodynamics

Thermodynamics is a branch of science that deals with the concept of heat and temperature and the inter-conversion of heat and other forms of energy. It mainly deal with the transformation of heat into mechanical work and vice versa. (I) Thermodynamic System An assembly of a very large number of particles having a certain value

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Heat

Heat

Heat is the form of energy which flows from hotter body to colder body by virtue of temperature difference. The process of transfer of heat is a non-mechanical process i.e there is no mechanical work involve in the process of heat transfer. The amount of heat is measured in joule (SI unit) and other widely

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Temperature

Temperature

Temperature is the measure of degree of hotness or coldness of a body. The measurement of temperature of a body is a relative measure. We can consider three body with temperature T₁, T₂ and T₃, where T₁>T₂>T₃ then the body T₁ is called hotter one with respect to another one which is known as colder

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Scientific names

Scientific Names of The Most Common Animals, Birds And Plants

Common Animals, Birds and Plants Names With Their Scientific Names Scientific names, also known as binomial nomenclature, are a standardized system used to classify and identify living organisms based on their shared characteristics. These names consist of two parts, the genus and species, and are written in Latin or derived from Latin words. The use

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Elasticbehaviourofsolids

Elastic Behaviour Of Solids

The atoms in a solid are held together by interatomic or intermolecular forces. These forces keep solid in a stable equilibrium position. When a solid is deformed, the atoms or molecules are displaced from their equilibrium positions. Thus, deformation causes change in interatomic or intermolecular distances. On removing deforming forces, the inter atomic forces tend

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