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Physical Chemistry

Pressure-Temperature Relation (Gay-Lussac’s law)

Science > Chemistry > States of Matter > Charle’s Law Mathematical relationships between volume, pressure, and temperature of a given mass of gas are referred to as Gas laws. In this article. we shall study Pressure-Temperature relation or Gay-Lussac’s law. Gay-Lussac’s Law: Statement: At constant volume the pressure of a given mass of a gas […]

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Physical Chemistry

Particle Model of Matter

Science > Chemistry > States of Matter > Introducion A matter is defined as anything that has mass, which occupies space and may be perceived by senses. There are three states of matter, viz. (a) solid, (b) liquid, and (c) gaseous states. Whatever may be the state of matter, it is composed of particles. In […]

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Physical Chemistry

Change of State of a Substance

Science > Chemistry > States of Matter > Change of State of a Substance In this article, we shall study a change in the state of a substance. Melting (Solid → Liquid): The process of change of solid substance into its liquid state is called melting or fusion. The constant temperature at which the solid […]

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Physical Chemistry

Introduction to the Different States of Matter

Science > Chemistry > States of Matter > Introducion A matter is defined as anything that has mass, which occupies space and may be perceived by senses. There are three states of matter, viz. (a) solid, (b) liquid, and (c) gaseous states. Historical Perspective of States of Matter: Ancient Indian philosophers suggested that all the […]

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Physical Chemistry

Chemical Classification of Substances

Science > Chemistry > Introduction to Chemistry > Chemical Classification of Substances In the last article, we have studied the significance of chemistry and its branches. In this article, we shall study the chemical classification of substances. Matter and its Different States: The matter is any substances that have mass and that occupies space. There […]