An irreversible process increases the entropy of the universe. However, because entropy is a state function, the change in entropy of the system is the same whether the process is reversible or irreversible. The second law of thermodynamics can be used to determine whether a process is reversible or not.
Poblacion or poblaciÃ³n (literally town or population in Spanish) is the name commonly used for the central, downtown, or central business district area of a Philippine city or municipality, which may take up the area of a single barangay or multiple barangays. It is sometimes shortened to Pob.. 1 History.
Pochteca occupied a high status in Aztec society, below the noble class. The pochteca were responsible for providing the materials that the noble class used to display their wealth. These materials were often obtained from foreign sources.