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 5

Parameters and root mean square deviation (RMSD), 𝜎, of ultrasonic velocity; 𝑢 calculated using polynomial equation 𝑓(𝑥).

Name of the System	𝑎0	𝑎1	𝑎2	𝑎3	𝜎 (m·s^−1)
(DMA + EA) + 1-butanol	1260.67	−52.10	−5.54	4.34	0.324
(DMA + EA) + iso-butanol	1260.80	−74.44	−13.50	2.13	0.178
(DMA + EA) + 𝑡-butanol	1261.46	−146.66	19.82	−49.87	1.190