This report presents a new set of heat capacity data for the system piperazine {(PZ) + 2-amino-2-methyl- 1-propanol (AMP) + water (H2O)}, measured using the differential scanning calorimetry technique, over the temperature range 303.2 K to 353.2 K and at fourteen (14) different concentrations in which the water mole fractions, x3 s, were fixed at 0.60, 0.70, 0.80, and 0.90. Heat capacity for the binary system {PZ (1) + AMP (2)} at x1 = 0.05, 0.10, 0.15, and 0.20 were, likewise, measured to generate parameters necessary in the Redlich Kister-type model, which was used to estimate excess molar heat capacities. Such estimates were then used to predict the values of the molar heat capacity at the corresponding sets of temperature and concentration. The predicted values were subsequently compared against the measured values and the results are satisfactory.
Compounds
#
Formula
Name
1
C4H10N2
piperazine
2
C4H11NO
2-amino-2-methylpropan-1-ol
3
H2O
water
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
1
2
Molar heat capacity at constant pressure, J/K/mol ; Liquid
Temperature, K; Liquid
Mole fraction - 1; Liquid
Pressure, kPa; Liquid
Liquid
Small sample (50 mg) DSC
44
POMD
1
2
3
Molar heat capacity at constant pressure, J/K/mol ; Liquid