ABSTRACT

Excess enthalpies HE at 303.15 K have been determined for binary liquid mixtures of dibromomethane with acetone, 1,4-dioxane, pyridine, diethyl ether, ethyl methyl ketone, and tetrahydrofuran. Values of HE have been fitted by the method of least-squares to the equation: HE = x1x2 ?i=0mAi(x1 - x2)i where x1 refers to the mole fraction of dibromomethane and Ai are constants characteristic of the system. The excess enthalpies for all systems are exothermic in nature. The excess enthalpies decrease in the following order: tetrahydrofuran greater than 1,4-dioxane greater than diethyl ether greater than pyridine greater than acetone greater than ethy methyl ketone.

Compounds

#	Formula	Name
1	CH2Br2	dibromomethane
2	C4H8O2	1,4-dioxane
3	C4H8O	butanone
4	C4H10O	diethyl ether
5	C3H6O	acetone
6	C4H8O	tetrahydrofuran
7	C5H5N	pyridine

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	5 1	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol ; Liquid	Mole fraction - 1; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid	Calvet calorimetry	10
POMD	1 2	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol ; Liquid	Mole fraction - 1; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid	Calvet calorimetry	9
POMD	4 1	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol ; Liquid	Mole fraction - 1; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid	Calvet calorimetry	9
POMD	1 3	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol ; Liquid	Mole fraction - 1; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid	Calvet calorimetry	9
POMD	1 6	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol ; Liquid	Mole fraction - 1; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid	Calvet calorimetry	10
POMD	1 7	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol ; Liquid	Mole fraction - 1; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid	Liquid	Calvet calorimetry	11

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Excess Enthalpies of Dibromomethane with Acetone, 1,4-Dioxane, Pyridine, Diethyl Ether, Ethyl Methyl Ketone, and Tetrahydrofuran at 303.15 K

Tripathi, A. D.[Atri D.]

ABSTRACT