Abstract
Specific heat capacities were measured by differential scanning calorimetry (DSC) from −7 to 45°C on ethanol, toluene, and five mixtures near 0.45 mole fraction of ethanol. Excess molar heat capacities computed from these data agree within experimental error with two previous studies performed by different methods. The present study demonstrates the feasibility of DSC for rapid and accurate measurements of excess molar heat capacities over a large temperature range.
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