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From the emf measurements at 5 2 7 C , the following values of the activity coefficient of C d in Z n - C

From the emf measurements at 527C, the following values of the activity coefficient of Cd in Zn-Cd solutions have been obtained:
\table[[xCd,0.2,0.3,0.4,0.5],[Cd,2.153,1.817,1.544,1.353]]
Calculate the values of
(a) The partial molar heat of mixing (cal/mole) of Zn and Cd(10p)
(b) The integral molar heat of mixing (cal/mole)(5p)
(c) The integral molar entropy of mixing (calK*mole)(5p)
(d) The partial molar Gibbs free energy of mixing (cal/mole) of Zn and Cd(10p)
(e) The integral molar Gibbs free energy of mixing (cal/mole)(5 p)
For an equi-atomic solution of Zn-Cd, assuming regular solution behaviour at 527C.
R=0.0821lt*atmmole*K=1.987calmole*K=8.3144Jmole*K
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