Relative apparent molal heat content

Similarly the temperature dependencies of the relative apparent molal heat content can be determined from the heat capacity by ... 

In order to relate L2 to the enthalpy of dilution, one must resort to the relative apparent molal heat content... 

Snipes et al. measured the heats of dilution of KCl over a concentration range of. 005 to 2 molal for temperatures from 40 to 80°C. They used the data to fit the relative apparent molal heat content to a polynomial equation calculated the relative partial molal heat contents of the solvent and solute from the relative apparent molsil heat content data. They then fit the partial molal heat contents of the solute to a polynomial equation of the form ... 

The relative apparent molar heat contents of sulfuric acid (solute) in mixtures with water (solvent), for various compositions at 25° C, are recorded in Table XXXVl. It may be noted that when L is positive, is negative, and the dilution process is accompanied by the evolution of heat. It is seert, therefore, from Table XXXVI that heat is evolved upon the infinite dilution of sulfuric acid solutions at all concentrations down to the lowest studied, viz., 0.00108 molal. 

The apparent relative molar heat contents of potassium chloride in aqueous solution at 25 C at various molalities are as follows ... 

Fig. 3. Relative apparent heat content vs molality for 1,1,3,3-tetramethyl urea at 30° and 45 °C.

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