This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: o Define signs from systems perspectice CT #2: A system absorbs 550 J of heat and used 200 J to do work on its surroundings. What is the net change in internal energy of the system A) +750 J B) -750 J C) +350 J D) -350 J State Function o Property that depends only on current state, not on path Ex: P,T,V,n, E are state functions Q and w are not state functions E=E fixed-E initial Enthalpy (H) o Most changes occur at constant P o Most common type of work is PV work Q p = E + P V= H...
View Full Document