Table 3: Values of excess Helmholtz free energy of mixing for anilines + 2-butoxyethanol binary mixtures at 298.15 K.


J/mol

J/mol

J/mol

J/mol

Aniline + 2-butoxyethanol
00.0000.0000.0000.000
0.2512.6671.195−24.375−10.513
0.5−12.4623.531−9.455−18.385
0.75−35.2024.514−0.070−30.758
10.0000.0000.0000.000

o-Chloroaniline + 2-butoxyethanol
00.0000.0000.0000.000
0.255.3152.646−8.528−0.567
0.50−17.2907.956−3.584−12.918
0.75−17.3376.199−0.525−11.663
10.0000.0000.0000.000

m-Chloroaniline + 2-butoxyethanol
00.0000.0000.0000.000
0.258.096−7.2485.2546.102
0.544.607−20.755−2.31421.538
0.7556.248−22.5790.86934.538
10.0000.0000.0000.000

o-Anisidine + 2-butoxyethanol
00.0000.0000.0000.000
0.25−7.33510.956−43.957−40.336
0.5−54.91436.394−26.484−45.004
0.75−82.07243.9620.696−37.414
10.0000.0000.0000.000

m-Anisidine + 2-butoxyethanol
00.0000.0000.0000.000
0.253.515−0.395−2.6800.440
0.5−0.741−1.016−0.980−2.737
0.75−3.759−0.9710.646−4.085
10.0000.0000.0000.000