BASIC CONCEPTS IN PHYSICAL CHEMISTRY By Akanni
₦700
Physical chemistry is the branch of chemistry that establishes and develops the principles of the subject and organizes them into laws, theories, hypotheses and models. Its concepts are used to explain and interpret observations on the physical and chemical properties of matter. One of the most important term in physical chemistry is “chemical substance”. Chemical amounts,n, are expressed in moles of specified entities. We distinguishtwo kinds of properties:intensive and extensive.Intensive property is a property that is independent of the amount of substance in the sample like pressure[8],temperature or density.Extensive property is a property that depends on the amount of substance.Mass,volume and energy are examples of extensive properties.
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