Two systems are said to be in chemical equilibrium with each other when their chemical potentials are same. 3) Thermal equilibrium: When the system is in mechanical and chemical equilibrium and there is no spontaneous change in any of its properties, the system is said to be in thermal equilibrium.
While scientists have known for some time that genetics play a role in alcoholism and other addictions, they also understand the tendency to be dependent on alcohol is more complicated than the simple presence or absence of any one gene.
Alcoholism is a disease. . Someone does not become an alcoholic / addict because they were raised in a dysfunctional family. Alcoholism is not caused by emotional wounds. It also has nothing to do with will power or strength of character or morality. It does not have anything to do with intelligence.A parent does not cause a child to become alcoholic or drug addicted. The emotional wounds provide reasons to drink and use, are the fuel that drives an alcoholic/addict's behavior, but are not the cause of the disease.