Deady state Hot ◆Heat coffee 10m/s Heat engine Wnet.out Wmax rig Low-temperature Sink Has a potential to do work Has a potential to do work Has a potential to do work Systems from State A>State B (equilibrium):>work A system that is in equilibrium with its environment is said to Air 25C 101 kPa T0=25C be at the dead state. V=0 Po=101 kPa 3=0 Not able to do any work May2,2018 3 SHANGHAI JIAO TONG UNIVERSITYMay 2, 2018 3 Deady state A system that is in equilibrium with its environment is said to be at the dead state. Has a potential to do work Has a potential to do work Has a potential to do work Not able to do any work Systems from State A  State B (equilibrium):  work