Research Article

Acoustic and Volumetric Properties of Mixture of (N,N-Dimethylacetamide + Ethyl Acrylate) with 1-Butanol or iso-Butanol or t-Butanol at 308.15 K

Table 3

Coefficients of Redlich-Kister type polynomial Equations (5) and (6) and the corresponding standard deviation, , of all the systems.


(DMA + EA) + 1-butanol
(m·s−1)−1.341.08−5.594.16−10.450.22
(×10−5) (m3·mol−1)−0.1250.052−0.0090.064−0.0460.0004
(×10−10) (Pa−1)−0.4750.110−0.009−0.0320.1800.0033
(×10−10) (m)−0.0140.0020.0030.00030.0030.0001
(×106) (kg·m−2·s−1)0.019−0.0040.006−0.003−0.0190.0001
(DMA + EA) + iso-butanol
(m·s−1)9.91.040.370.08−11.060.14
(×10−5) (m3·mol−1)−0.2550.090−0.0670.086−0.0480.0004
(×10−10) (Pa−1)−0.8900.181−0.068−0.0900.2550.0023
(×10−10) (m)−0.0270.005−0.0030.0020.0040.0001
(×106) (kg·m−2·s−1)0.038−0.0050.002−0.0120.0030.0001
(DMA + EA) + t-butanol
(m·s−1)51.65−8.5386.99−52.88−106.740.44
(×10−5) (m3·mol−1)−0.450.016−0.0630.237−0.1550.0005
(×10−10) (Pa−1)−2.4700.603−1.4860.8671.5220.0057
(×10−10) (m)−0.0740.016−0.0510.0390.0470.0002
(×106) (kg·m−2·s−1)0.0730.0020.080−0.067−0.0860.0004