Thermodynamics

Second Law of Thermodynamics: Second law of thermodynamics states that the entropy of the universe always increases in the course … Read more

Free energy (G): We have learnt that for a system, it is the total entropy change, ∆S total which helps … Read more

Entropy: The extent of disorder or randomness in a system may be expressed by a thermodynamic property known as entropy. … Read more

Enthalpy of Combustion: The enthalpy change when one mole of a substance is completely burnt in excess of oxygen or … Read more

Enthalpy of bond dissociation: Chemical reactions involve the breaking and making of chemical bonds. When a bond is formed between … Read more

Hess’s Law of Constant Heat Summation: In 1840 a Russian chemist G.H. Hess proposed an important generalisation regarding the enthalpies … Read more

Energy of the universe is present either as kinetic energy or as potential energy. During a physical or chemical change, … Read more

The state of a thermodynamic system can be changed by a process. In other wards, a process gives the path … Read more

The properties of the system which arise from the bulk behavior of matter are called macroscopic properties. For examples, pressure, … Read more

The branch of science which deals with the study of different forms of energy and their interconversion is called thermodynamics. … Read more