版权所有：华东理工大学物理化学教研室 9 Partial molar quantities The concept of a partial molar quantity can be extended to any extensive state function. Let X denote any extensive properties of a system that contains K components 7.1 Partial molar quantities The change in X When dT, dp, dni ) ,( 21 nnnpTXX K = ⋅⋅⋅ ∑ = ≠ ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ + ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ ⎟ + ⎠⎞ ⎜⎝⎛ ∂∂ = Ki np nT npT n nX p pX T TX X ij 1 i , i , , d d d d j j版权所有：华东理工大学物理化学教研室 9 Partial molar quantities The concept of a partial molar quantity can be extended to any extensive state function. Let X denote any extensive properties of a system that contains K components 7.1 Partial molar quantities The change in X When dT, dp, dni ) ,( 21 nnnpTXX K = ⋅⋅⋅ ∑ = ≠ ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ + ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ ⎟ + ⎠⎞ ⎜⎝⎛ ∂∂ = Ki np nT npT n nX p pX T TX X ij 1 i , i , , d d d d j j