The molar enthalpy of a binary liquid mixture of components 1 and 2 at constant temperature and pressure is given by: H mix = 400 x1 +250 x2 +x1 x2 (15 x1 + 45 x2) where Hmix is in J/mol. Calculate: a) The molar enthalpies of pure components 1 and 2 b) The partial molar enthalpies of components 1 and 2 at x1 = 0.35. c) The partial molar enthalpies of components 1 and 2 at infinite dilution.

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