🔹 1. Definition of Internal Energy Internal Energy (U) is the total energy possessed by a system due to: 1. Kinetic energy of molecules (translation, rotation, vibration) 2. Potential energy of molecules (intermolecular forces, bonds) It includes: Motion of molecules Attractions/repulsions between ...

Isomerism -- Organic Chemistry Isomerism in organic chemistry Isomerism in organic chemistry refers to the existence of compounds with the same molecular formula but different structural arrangements of atoms. There are several types of isomerism, including constitutional isomers, stereoisomers, an...