Excess enthalpy of the system chloroform + carbon tetrachloride and a thermodynamic evaluation of its state dependence

Abstract

Siddiq, M.A. and Lucas, K., 1984. Excess enthalpy of the system chloroform + carbon tetrachloride and a thermodynamic evaluation of its state dependence. Fluid Phase Equilibria, 16: 87–98. Excess molar enthalpies of the system chloroform + carbon tetrachloride have been measured over the entire concentration range at 283.15, 293.15, 303.15, 313.15 and 323.15 K using an isothermal high-pressure flow calorimeter. The effect of pressure was also studied by measuring excess enthalpies at 15 and 30 MPa along the 293.15, 313.15 and 323.15 K isotherms. The temperature dependence of the excess enthalpies was used to calculate vapour-liquid equilibria as a function of temperature. The results are excellent. Further evaluation of the temperature and pressure dependences of the excess enthalpy is discussed.