版权所有：华东理工大学物理化学教研室 10 7.1 Partial molar quantities Definition npT ij i i n X X ≠ ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ = , def X and ni are extensive properties, and they are independent of the total quantities in systems; however, the partial molar quantities, Xi , is intensive property. ∑ = =+⋅⋅⋅+= K 1 2211 KK i XnXnXnXnX ii Partial molar quantities版权所有：华东理工大学物理化学教研室 10 7.1 Partial molar quantities Definition npT ij i i n X X ≠ ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ = , def X and ni are extensive properties, and they are independent of the total quantities in systems; however, the partial molar quantities, Xi , is intensive property. ∑ = =+⋅⋅⋅+= K 1 2211 KK i XnXnXnXnX ii Partial molar quantities