Physical Chemistry

Calculation, definition and measure formula of free energy

Free Energy Calculation Definition

Free Energy in Thermodynamics Free energy, in thermodynamics, is an energy term of the system and a state function in a thermodynamic equilibrium reaction. Entropy...
Catalyst in Chemical Reaction

Catalyst in Chemical Reaction

Example of Catalyst in Chemistry Chemical catalyst is defined as a substance which affect to enhance the speed of reaction rate itself without effect on...

Entropy Definition and Equation

Measure of Entropy Change Entropy means the transformation of the state of the system by the change of thermal energy or heat per unit temperature...
Cubic crystal system lattice points

Cubic crystal system lattice points

The cubic unit cell of a crystal lattice The idea about cubic lattice developed from the internal regularity of the structure of the cubic crystal....
1st law of thermodynamics and conservation of energy, heat change and internal energy

Conservation of Energy in Thermodynamics

Definition of Law of Conservation Energy The first law of thermodynamics principles states the conservation of energy of our universe. Study of this conservation law...
Surface Tension and Surface Energy

Surface Tension and Surface Energy

Surface Tension of Liquid in Chemistry Surface tension of a liquid origin in surface and tension can be related to the intermolecular force present in...
All types of Crystalline and Amorphous Solid material

Crystalline and Amorphous Solid Definition

Crystalline and Amorphous Solid Materials Crystalline solid like molecular, ionic, covalent, and metallic crystals define orderly arrangement properties of constituents atoms, ions, and molecules but...
Zero order Reaction Rate in Chemical Kinetics and Concentration of Reactant and Product in chemistry

Zero Order Kinetics Reactions

Zero order Reaction in Chemical Kinetics Zero order kinetics define the rate of zero order chemical reaction in terms of reactant and product per unit...
Van't Hoff equation-equilibrium

Van’t Hoff Equation-Equilibrium

How much Van't Hoff equation - effect on temperature? Van't Hoff equation-equilibrium of a chemical reaction is constant at a given temperature. At equilibrium solution,...
Le Chatelier principle examples

Le Chatelier Principle

Le Chatelier's Principle facts Le Chatelier principle predicts the effect on the chemical system at equilibrium when some of the factors such as temperature, pressure,...

Matter and intermolecular forces