Integral enthalpy of mixing (in J mol) of liquid (Cu Zn)...

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Integral enthalpy of mixing (in J/mol) of liquid (Cu, Zn) solution can be approximated by ΔH_m^mix = - 19250 X_CuX_Zn
The corresponding partial molar enthalpy of mixing (in J/mol) for Cu is

A. 19250x²_zn

B. - 19250x²cu

C. 38500x_zn - 19250x²_zn - 19250

D. - 19250 x²_zn

Answer: Option D

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