Review Key points S.J.T.0. Phase Transformation and Applications Systems can be classified as open,close and isolated systems e Oth law 1st law energy conservation ·Heat/work Internal energy enthalpy heat capacity ·State function Mechanical energy Equilibrium /steady state SJTU Thermodynamics of Materials Spring2008©X.J.Jin Lecture 2 First Law llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2008 © X. J. Jin Lecture 2 First Law II Review / Key points • Systems can be classified as open, close and isolated systems • 0th law • 1st law / energy conservation • Heat / work • Internal energy / enthalpy / heat capacity • State function Mechanical energy Equilibrium / steady state