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Equilibrium Constant

Science > Chemistry > Chemical Equilibrium > Equilibrium Constant Characteristics of Equilibrium Constant: It has a definite value for every chemical reaction at a particular temperature. It is independent of the initial concentrations of the reacting species. It changes with the change in the temperature. It depends on the nature of the reaction. It is […]

Physical Chemistry

Writing Expression for Equilibrium Constant

Post author By Hemant More
Post date April 2, 2020
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Science > Chemistry > Chemical Equilibrium > Writing Expression for Equilibrium Constant In this article, we shall stuudy to write expression for equilibrium constant. Steps Involved in Writing Expression for Equilibrium Constant of a Reaction: Write the balanced chemical equation for the reaction. Write the products of equilibrium concentrations of the products in the numerator. […]

Physical Chemistry

More Examples of Physical Equilibrium

Post author By Hemant More
Post date April 2, 2020
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Science > Chemistry > Chemical Equilibrium > More Examples of Physical Equilibrium In this article, we shall study more examples of physical equilibrim and the dynamic nature of equilibrium. Dissolution of solids in liquids: It is not possible to dissolve just any amount of a solute in a given amount of solvent. A stage will […]

Physical Chemistry

Law of Mass Action

Science > Chemistry > Chemical Equilibrium > Law of Mass Action In this article, we shall study the law of mass action and its application to chemical equlibrium. Rate of Chemical Reaction: The change in the concentration of the reactants (or products) per unit time is called the rate of reaction Mathematically it can be […]

Physical Chemistry

Gibb’s Energy and Chemical Equilibrium

Post author By Hemant More
Post date April 2, 2020
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Science > Chemistry > Chemical Equilibrium > Gibb’s Energy and Chemical Equilibrium Gibb’s Energy or Free Energy: Gibb’s energy or free energy is a thermodynamic function which helps us in the development of a criterion of spontaneity or feasibility of a process. It refers to the capacity of the system to do useful work. Gibb’s […]

Tags Chemical equilibrium, Chemical reaction, Chemistry, Dissociation constant, Dynamic equilibrium, Endothermic reaction, Equilibrium, Equilibrium constant., Exothermic reaction, Free energy, Gibb's energy, Heterogeneous reaction, Homogeneous reaction, Irreversible reaction, Physical equilibrium, Products, Reactants, Reversible reaction, Spontaneity of reaction

Physical Chemistry

Chemical Equilibrium

Science > Chemistry > Chemical Equilibrium > Chemical Equilibrium Rate of a Chemical Reaction: Rate of reaction is the quantities of the reactants converted into the products in unit time. Or Number of moles of the reactants used up or the number of moles of the products formed per unit time. Mathematically it can […]

Tags Chemical equilibrium, Chemical reaction, Chemistry, Dynamic equilibrium, Endothermic reaction, Equilibrium, Exothermic reaction, Heterogeneous reaction, Homogeneous reaction, Irreversible reaction, Physical equilibrium, Products, Reactants, Reversible reaction

Physical Chemistry

sp3 Hybridization

Science > Chemistry > Physical Chemistry > Nature of Chemical Bond > sp3 Hybridization The mixing of one s-orbital and three p- orbitals of the same atom having nearly the same energy to form four orbitals of equal in all respects and tetrahedrally arranged is known as sp3 hybridization. Geometry of sp3 Hybridization: sp3 hybridized orbitals […]

Physical Chemistry

Hybridization of Orbitals

Science > Chemistry > Physical Chemistry > Nature of Chemical Bond > Hybridization of Orbitals In this article, we shall study the concept of hybridization of orbitals. This concept overcomes the limitations of valence bond theory. Need for Hybridization Concept: A simple approach based on the overlap of s and p orbitals can be applied […]

Physical Chemistry

Sigma bonds and Pi Bonds

Science > Chemistry > Physical Chemistry > Nature of Chemical Bond > Sigma and Pi Bonds According to Valence Bond Theory, covalent bonds are of two types a) Sigma bond (σ) and b) Pi bond (π) Sigma bond (σ): The covalent bond formed as a result of an end to end overlap i.e. head-on collision of atomic […]

Tags Axial overlap, Chemistry, Covalent bond, Geometry of molecule, Hybridisation, Hybridization, Lateral overlap, Nature of chemical bond, Overlapping of orbitals, P-P overlap, pi bond, S-P overlap, S-S overlap, sigma bond, Valence bond theory

Physical Chemistry

Overlapping of Orbitals

Science > Chemistry > Physical Chemistry > Nature of Chemical Bond > Overlapping of Orbitals In this article, we shall study the formation of bonds by overlapping of orbitals and different types of overlaps. Formation of Hydrogen Molecule on The Basis Of Orbital Overlap: The electronic configuration of a hydrogen atom is 1s1. It contains […]

Tags Axial overlap, Chemistry, Covalent bond, Geometry of molecule, Hybridisation, Hybridization, Lateral overlap, Nature of chemical bond, Overlapping of orbitals, P-P overlap, pi bond, S-P overlap, S-S overlap, sigma bond, Valence bond theory