ldeal Gas S.J.T.U. Phase Transformation and Applications Page 3/42 22--2 m小 In- =Nka) N kT RT P V V SJTU Thermodynamics of Materials Spring 2008 ©X.J.Jin Lecture 20 surfacePhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2008 © X. J. Jin Lecture 20 surface Page 3/42 Ideal Gas V h mkT L h mkT ZZZZ zyxxyz 2/3 2 3 2/3 2 2 2 ⎟⎠⎞ ⎜⎝⎛ ⎟ = ⎠⎞ ⎜⎝⎛ == π π T V F P ⎟⎠⎞ ⎜⎝⎛ ∂∂ −= ⎟⎟⎠⎞ ⎜⎜⎝⎛ −= +1ln A A NZ kTNF T A T A A V Z kTN V N Z kTN P ⎟⎠⎞ ⎜⎝⎛ ∂∂ = ⎟⎟⎟⎟⎟⎠⎞ ⎜⎜⎜⎜⎜⎝⎛ ∂ ⎥⎦⎤ ⎢⎣⎡ ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂ + = ln 1ln V RT V kTN P A ==