Definition. The partial pressure of a given gas is defined as the pressure exerted by that gas alone. For example, consider the gaseous mixture of oxygen, nitrogen, carbon dioxide, and water vapor, the typical mixture found in alveolar gas.
From Wikipedia, the free encyclopedia. Philadelphia County is a county located in the commonwealth of Pennsylvania. At the 2010 census, the population was 1,526,006, making it the most populous county in the state, despite being the second smallest county in the state by land area.
Location of Philadelphia on a map. Philadelphia is a city found in Pennsylvania, The United States Of America. It is located 39.95 latitude and -75.16 longitude and it is situated at elevation 40 meters above sea level.Philadelphia has a population of 1,526,006 making it the biggest city in Pennsylvania.It operates on the EDT time zone.s the largest city in Pennsylvania, Philadelphia is comprised of several distinct neighborhoods. It boasts more than 90 museums, classic colonial-period houses, landmark red brick buildings, historic churches and leafy parks. In fact, Philly is home to one of the largest urban parks in the U.S. - Fairmont Park.