puri sharma pathania physical chemistry pdf download
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please give me the pdf of puri, sharma nad pathania, Physical chemistrry
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Physical chemistry is the study of macroscopic, atomic, subatomic and particle phenomena in chemical systems in terms of principles, practices and concepts of physics such as movement, energy, force, time, thermodynamics, chemistry Quantum mechanics, statistical mechanics, analytical dynamics and chemistry. balance.

Physical chemistry, in contrast to chemical physics, is predominantly (but not always) a macroscopic or supra-molecular science, since most of the principles on which it was founded are related to mass and not just to molecular structure / Atomic, chemical equilibrium and colloids).
Some of the relationships that physical chemistry strives to solve include the effects of:
1. Intermolecular forces acting on the physical properties of the materials (plasticity, tensile strength, surface tension in liquids).
2. Kinetics of reaction on reaction rate.
3. The identity of the ions and the electrical conductivity of the materials.
4. Surface and electrochemical science of cell membranes.
5. Interaction of one body with another in terms of amounts of heat and work called thermodynamics.
6. Heat transfer between a chemical system and its environment during the phase change or chemical reaction that is carried out called thermochemistry
7. Study of the colligative properties of the number of species present in solution.
8. The number of phases, the number of components and the degree of freedom (or variance) can be correlated with each other using the phase rule.
9. Reactions of electrochemical cells.

The key concepts of physical chemistry are the ways in which pure physics is applied to chemical problems.

One of the key concepts of classical chemistry is that all chemical compounds can be described as groups of atoms linked together and chemical reactions can be described as the making and breaking of those bonds. Predicting the properties of chemical compounds from a description of atoms and how they come together is one of the main objectives of physical chemistry. To describe atoms and bonds precisely, it is necessary to know where the nuclei of atoms are and how the electrons are distributed around them.
Quantum chemistry, a subfield of physical chemistry that is especially concerned with the application of quantum mechanics to chemical problems, provides tools to determine how strong and how are the links, how nuclei move and how light can Be absorbed or emitted by a chemical compound. Spectroscopy is the related sub-discipline of physical chemistry that deals specifically with the interaction of electromagnetic radiation with matter.

Another set of important questions in chemistry refers to what kind of reactions can occur spontaneously and what properties are possible for a given chemical mixture. This is discussed in chemical thermodynamics, which sets limits on the amounts and how can proceed a reaction, or how much energy can be converted to work in the internal combustion engine, and providing links between properties such as thermal expansion coefficient and Rate of change Entropy with pressure for a gas or a liquid. It can often be used to assess whether a reactor or engine design is feasible, or to verify the validity of the experimental data. To some extent, quasi-equilibrium and non-equilibrium thermodynamics can describe irreversible changes. However, classical thermodynamics mainly refers to systems in equilibrium and reversible changes and not what actually happens, or speed, away from equilibrium.
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