MindMap Gallery Thermochemistry and Thermodynamics
Thermochemistry is the study of energy changes in chemical reactions, including concepts such as reaction heat and enthalpy change. The First Law of Thermodynamics is the application of the law of conservation of energy in chemical reactions, stating that the total energy of the system remains constant before and after the reaction. The Second Law of Thermodynamics reveals that spontaneous processes always proceed in the direction of increasing entropy, i.e., the system tends to a more disordered state. State functions such as internal energy, enthalpy, and entropy are used to describe the thermodynamic state of the system, and their changes reflect the changes in energy and disorder of the system under different conditions. Additionally, Gibbs free energy is an important criterion for judging the spontaneity of chemical reactions, and when the change in Gibbs free energy ΔG is less than 0
Edited at 2025-01-18 11:14:06