Work (thermodynamics) of the energy went out as heat, and how much as work. This can be summarized by saying that heat and work are not state functions of the system. This is in contrast to classical mechanics, where net work exerted by a particle is a state function. Pressure–volume work (or "PV" work) occurs when the volume of a system changes. "PV" work is often measured in units of litre-atmospheres where = . However, the litre-atmosphere is not a recognised unit in the SI system of units, which measures P in Pascal (Pa), V in m, and PV in Joule (J),
Ministry of Energy, Science & Technology and Public Utilities sustainable development of Belize." Key activities performed by the Energy Unit include data collection for the purpose of planning Belize's future energy supplies and calculating greenhouse gas emissions, public awareness on topics such as energy efficiency, as well as regulation and market reforms that promote a sustainable future for Belize. The Science and Technology Unit is responsible for the promotion of Science and Technology in Belize. The Unit plays a key role in Belize's efforts to achieve in the millennium development goals. The Unit conducts a number of activities that promote engagement with Science and Technology in Belize, including through