Table 4 Values of sound velocity (U), isentropic compressibility \(({\text{K}}_{\text{s}})\), apparent molar isentropic compressibility \(({\text{K}}_{\text{s},\upphi })\) and isothermal compressibility \({(\text{K}}_{\text{T}})\) for QUE and 7-HF with NAM of different concentrations in hydro-ethanolic medium at experimental temperatures and experimental pressure P = 101 kPa
TEMP (K) | \({\text{m}}_{\text{A}}\)/mol \({\text{kg}}^{-1}\) | \(\text{U}/\)(m\({\text{s}}^{-1}\)) | \({\text{K}}_{\text{s}} \times 10^{10}/(\text{m}^{2}\text{N}^{-1})\) | \({\text{K}}_{\text{s},\Phi }\)× \({10}^{12}/\)(\({\text{m}}^{5}{\text{mol}}^{-1}{\text{N}}^{-1}\)) | \({\text{K}}_{\text{T}}\)× \({10}^{15}/\)(\({\text{m}}^{2}{\text{N}}^{-1}\)) | \(\text{U}/\)(m \({\text{s}}^{-1}\)) | \({\text{K}}_{\text{s}}\)× \({10}^{10}/\)(\({\text{m}}^{2}{\text{N}}^{-1}\)) | \({\text{K}}_{\text{s},\Phi }\)× \({10}^{12}/\)(\({\text{m}}^{5}{\text{mol}}^{-1}{\text{N}}^{-1}\) | \({\text{K}}_{\text{T}}\)× \({10}^{15}/\)(\({\text{m}}^{2}{\text{N}}^{-1}\)) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
QUE | 7-HF | ||||||||||||
30 v/v EtOH + 0.5 m NAM | |||||||||||||
293.15 | 0.0000 | 1532.0 | 1532.0 | ||||||||||
0.0015 | 1600.0 | 4.06 | − 29.18 | 5.63 | 1608.0 | 4.05 | − 27.20 | 5.64 | |||||
0.0020 | 1596.0 | 4.08 | − 20.13 | 5.67 | 1600.0 | 4.10 | − 18.10 | 5.70 | |||||
0.0025 | 1592.0 | 4.12 | − 13.97 | 5.72 | 1596.0 | 4.12 | − 13.17 | 5.74 | |||||
0.0030 | 1588.0 | 4.15 | − 9.90 | 5.78 | 1592.0 | 4.15 | − 9.79 | 5.78 | |||||
0.0035 | 1584.0 | 4.19 | − 6.96 | 5.83 | 1588.0 | 4.18 | − 7.38 | 5.82 | |||||
0.0040 | 1580.0 | 4.23 | − 4.75 | 5.89 | 1584.0 | 4.20 | − 5.48 | 5.86 | |||||
298.15 | 0.0000 | 1540.0 | 1540.0 | ||||||||||
0.0015 | 1604.0 | 4.05 | − 28.47 | 5.57 | 1612.0 | 4.04 | − 26.15 | 5.59 | |||||
0.0020 | 1600.0 | 4.07 | − 19.70 | 5.61 | 1604.0 | 4.09 | − 17.30 | 5.65 | |||||
0.0025 | 1596.0 | 4.11 | − 13.56 | 5.67 | 1600.0 | 4.11 | − 12.61 | 5.69 | |||||
0.0030 | 1592.0 | 4.14 | − 9.54 | 5.72 | 1596.0 | 4.14 | − 9.34 | 5.72 | |||||
0.0035 | 1588.0 | 4.18 | − 6.68 | 5.78 | 1592.0 | 4.17 | − 7.03 | 5.76 | |||||
0.0040 | 1584.0 | 4.21 | − 4.47 | 5.83 | 1588.0 | 4.19 | − 5.17 | 5.81 | |||||
303.15 | 0.0000 | 1552.0 | 1552.0 | ||||||||||
0.0015 | 1608.0 | 4.03 | − 26.37 | 5.52 | 1616.0 | 4.03 | − 23.62 | 5.55 | |||||
0.0020 | 1604.0 | 4.06 | − 18.16 | 5.56 | 1608.0 | 4.08 | − 15.47 | 5.60 | |||||
0.0025 | 1600.0 | 4.10 | − 12.39 | 5.61 | 1604.0 | 4.10 | − 11.29 | 5.63 | |||||
0.0030 | 1596.0 | 4.13 | − 8.58 | 5.67 | 1600.0 | 4.13 | − 8.32 | 5.67 | |||||
0.0035 | 1592.0 | 4.17 | − 5.84 | 5.72 | 1596.0 | 4.16 | − 6.10 | 5.71 | |||||
0.0040 | 1588.0 | 4.20 | − 3.76 | 5.78 | 1592.0 | 4.18 | − 4.39 | 5.75 | |||||
30 v/v EtOH + 1.0 m NAM | |||||||||||||
293.15 | 0.0000 | 1556.0 | 1556.0 | ||||||||||
0.0015 | 1592.0 | 4.01 | − 15.96 | 5.53 | 1592.0 | 4.04 | − 13.45 | 5.57 | |||||
0.0020 | 1588.0 | 4.04 | − 10.68 | 5.56 | 1588.0 | 4.06 | − 8.82 | 5.60 | |||||
0.0025 | 1584.0 | 4.06 | − 7.10 | 5.60 | 1584.0 | 4.08 | − 5.87 | 5.64 | |||||
0.0030 | 1580.0 | 4.10 | − 4.42 | 5.65 | 1580.0 | 4.11 | − 3.65 | 5.68 | |||||
0.0035 | 1576.0 | 4.13 | − 2.44 | 5.70 | 1576.0 | 4.14 | − 1.95 | 5.73 | |||||
0.0040 | 1568.0 | 4.19 | − 0.29 | 5.79 | 1572.0 | 4.18 | − 0.60 | 5.78 | |||||
298.15 | 0.0000 | 1560.0 | 1560.0 | ||||||||||
0.0015 | 1596.0 | 4.00 | − 16.59 | 5.47 | 1600.0 | 4.01 | − 14.60 | 5.49 | |||||
0.0020 | 1592.0 | 4.02 | − 11.23 | 5.50 | 1596.0 | 4.03 | − 9.79 | 5.52 | |||||
0.0025 | 1588.0 | 4.05 | − 7.54 | 5.54 | 1588.0 | 4.07 | − 5.83 | 5.58 | |||||
0.0030 | 1584.0 | 4.08 | − 4.83 | 5.59 | 1584.0 | 4.10 | − 3.71 | 5.62 | |||||
0.0035 | 1580.0 | 4.11 | − 2.83 | 5.64 | 1580.0 | 4.13 | − 2.01 | 5.67 | |||||
0.0040 | 1572.0 | 4.17 | − 0.66 | 5.72 | 1576.0 | 4.16 | − 0.67 | 5.71 | |||||
303.15 | 0.0000 | 1564.0 | 1564.0 | ||||||||||
0.0015 | 1600.0 | 3.99 | − 17.40 | 5.43 | 1608.0 | 3.98 | − 16.58 | 5.43 | |||||
0.0020 | 1596.0 | 4.02 | − 11.91 | 5.46 | 1604.0 | 4.00 | − 11.31 | 5.45 | |||||
0.0025 | 1592.0 | 4.04 | − 8.28 | 5.49 | 1600.0 | 4.03 | − 7.93 | 5.49 | |||||
0.0030 | 1588.0 | 4.07 | − 5.59 | 5.54 | 1596.0 | 4.05 | − 5.52 | 5.53 | |||||
0.0035 | 1584.0 | 4.10 | − 3.42 | 5.59 | 1592.0 | 4.08 | − 3.61 | 5.57 | |||||
0.0040 | 1576.0 | 4.16 | − 1.21 | 5.67 | 1588.0 | 4.11 | − 2.11 | 5.61 | |||||
40 v/v EtOH + 0.5 m NAM | |||||||||||||
293.15 | 0.0000 | 1532.0 | 1532.0 | ||||||||||
0.0015 | 1580.0 | 4.21 | − 22.30 | 5.87 | 1548.0 | 4.43 | − 7.90 | 6.19 | |||||
0.0020 | 1576.0 | 4.24 | − 15.42 | 5.90 | 1544.0 | 4.45 | − 4.38 | 6.22 | |||||
0.0025 | 1568.0 | 4.29 | − 10.01 | 5.97 | 1540.0 | 4.48 | − 1.89 | 6.27 | |||||
0.0030 | 1560.0 | 4.34 | − 5.94 | 6.05 | 1536.0 | 4.52 | − 0.06 | 6.32 | |||||
0.0035 | 1552.0 | 4.40 | − 2.81 | 6.15 | 1532.0 | 4.55 | 1.24 | 6.37 | |||||
0.0040 | 1548.0 | 4.44 | − 1.00 | 6.21 | 1528.0 | 4.58 | 2.09 | 6.41 | |||||
298.15 | 0.0000 | 1536.0 | 1536.0 | ||||||||||
0.0015 | 1584.0 | 4.21 | − 23.08 | 5.82 | 1564.0 | 4.35 | − 11.99 | 6.04 | |||||
0.0020 | 1580.0 | 4.23 | − 16.12 | 5.85 | 1556.0 | 4.40 | − 6.38 | 6.11 | |||||
0.0025 | 1572.0 | 4.27 | − 10.69 | 5.92 | 1548.0 | 4.45 | − 2.66 | 6.18 | |||||
0.0030 | 1564.0 | 4.33 | − 6.64 | 6.00 | 1544.0 | 4.48 | − 0.73 | 6.23 | |||||
0.0035 | 1556.0 | 4.39 | − 3.48 | 6.08 | 1540.0 | 4.52 | 0.68 | 6.28 | |||||
0.0040 | 1552.0 | 4.43 | − 1.50 | 6.15 | 1536.0 | 4.55 | 1.67 | 6.33 | |||||
303.15 | 0.0000 | 1540.0 | 1540.0 | ||||||||||
0.0015 | 1588.0 | 4.19 | − 23.77 | 5.76 | 1580.0 | 4.28 | − 15.46 | 5.90 | |||||
0.0020 | 1584.0 | 4.22 | − 16.65 | 5.79 | 1576.0 | 4.30 | − 10.26 | 5.93 | |||||
0.0025 | 1576.0 | 4.26 | − 11.21 | 5.86 | 1568.0 | 4.35 | − 5.93 | 6.00 | |||||
0.0030 | 1568.0 | 4.31 | − 7.15 | 5.93 | 1556.0 | 4.42 | − 2.02 | 6.10 | |||||
0.0035 | 1560.0 | 4.37 | − 4.01 | 6.02 | 1552.0 | 4.48 | 0.26 | 6.18 | |||||
0.0040 | 1556.0 | 4.41 | − 2.11 | 6.08 | 1544.0 | 4.51 | 1.35 | 6.23 | |||||
40 v/v EtOH + 1.0 m NAM | |||||||||||||
293.15 | 0.0000 | 1532.0 | 1532.0 | ||||||||||
0.0015 | 1580.0 | 4.11 | − 21.01 | 5.68 | 1556.0 | 4.28 | − 9.34 | 5.93 | |||||
0.0020 | 1572.0 | 4.16 | − 13.05 | 5.74 | 1552.0 | 4.30 | − 5.76 | 5.97 | |||||
0.0025 | 1564.0 | 4.21 | − 7.58 | 5.83 | 1548.0 | 4.33 | − 3.35 | 6.00 | |||||
0.0030 | 1560.0 | 4.25 | − 4.42 | 5.89 | 1544.0 | 4.36 | − 1.65 | 6.04 | |||||
0.0035 | 1552.0 | 4.31 | − 1.45 | 5.98 | 1540.0 | 4.39 | − 0.29 | 6.09 | |||||
0.0040 | 1548.0 | 4.35 | 0.22 | 6.04 | 1536.0 | 4.42 | 0.69 | 6.13 | |||||
298.15 | 0.0000 | 1540.0 | 1540.0 | ||||||||||
0.0015 | 1588.0 | 4.08 | − 21.52 | 5.60 | 1560.0 | 4.27 | − 8.51 | 5.88 | |||||
0.0020 | 1580.0 | 4.13 | − 13.56 | 5.66 | 1556.0 | 4.30 | − 5.19 | 5.91 | |||||
0.0025 | 1572.0 | 4.18 | − 8.17 | 5.74 | 1552.0 | 4.32 | − 2.95 | 5.95 | |||||
0.0030 | 1564.0 | 4.24 | − 4.24 | 5.83 | 1548.0 | 4.35 | − 1.31 | 5.99 | |||||
0.0035 | 1560.0 | 4.28 | − 1.98 | 5.89 | 1544.0 | 4.38 | − 0.08 | 6.03 | |||||
0.0040 | 1556.0 | 4.32 | − 0.13 | 5.95 | 1540.0 | 4.41 | 0.91 | 6.08 | |||||
303.15 | 0.0000 | 1544.0 | 1544.0 | ||||||||||
0.0015 | 1592.0 | 4.07 | − 22.15 | 5.54 | 1564.0 | 4.26 | − 9.03 | 5.83 | |||||
0.0020 | 1584.0 | 4.11 | − 14.26 | 5.60 | 1560.0 | 4.28 | − 5.58 | 5.86 | |||||
0.0025 | 1576.0 | 4.16 | − 8.90 | 5.68 | 1556.0 | 4.31 | − 3.39 | 5.89 | |||||
0.0030 | 1568.0 | 4.22 | − 4.92 | 5.76 | 1552.0 | 4.33 | − 1.71 | 5.93 | |||||
0.0035 | 1564.0 | 4.26 | − 2.56 | 5.82 | 1548.0 | 4.36 | − 0.44 | 5.97 | |||||
0.0040 | 1560.0 | 4.30 | − 0.58 | 5.89 | 1544.0 | 4.39 | 0.58 | 6.02 | |||||