New calorimeter for measurement of the enthalpy of mixing of liquids. The enthalpy of mixing of benzene with carbon tetrachloride and of n-hexane with cyclohexane

作者: Harry Watts , E. C. W. Clarke , D. N. Glew

DOI: 10.1139/V68-142

关键词: Standard enthalpy of reactionEnthalpyChemistryEnthalpy of mixingCalorimeter constantEnthalpy change of solutionEntropy of mixingInorganic chemistryStandard enthalpy of formationCyclohexaneAnalytical chemistry

摘要: A high-precision, mixing calorimeter is described for the direct measurement of enthalpy liquid under constant pressure conditions. Tests using benzene – carbon tetrachloride system at 25 °C show a reaction between mercury and which leads to systematically high values heat mixing. with n-hexane–cyclohexane give maximum Δmh = 222.14 + 0.21 J/mole 0.586 cyclohexane mole fraction.

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