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),
Energy and Climate Partnership of the Americas produce energy. Energy Innovation Center: Promotes and advances clean energy projects through mobilization of funding, knowledge dissemination and technical expertise. Chile Renewable Energy Center: The long-term goal for the center is to serve as a tool and resource for the region. Energy Efficiency: Promote best policy practices through assistance in developing building codes and other standards in the industrial and residential sectors, as well as training for energy audits. Renewable Energy: Accelerate clean energy deployment via project support, policy dialogues, scientific collaboration, and the clean energy technology network. Cleaner and More Efficient Use of Fossil Fuels: Promote clean energy technologies