(x1) α  х 103 (deg-1) βT х 1012 (cm2 dyne-1) Pint х 10-9 (dyne cm-2) γ Г %D βT
0.3388 1.394 198.1 2.098 1.559 1.344 13.31
0.3598 1.393 197.1 2.106 1.558 1.343 13.26
0.3782 1.393 197.4 2.104 1.560 1.348 13.27
0.4001 1.390 195.9 2.116 1.557 1.344 12.35
0.4193 1.390 195.7 2.117 1.558 1.346 13.18
0.4394 1.389 194.9 2.124 1.557 1.344 13.13
0.4604 1.388 194.3 2.129 1.556 1.343 13.10
0.4782 1.386 193.5 2.135 1.556 1.345 13.05
0.4986 1.385 192.7 2.141 1.555 1.344 13.02
0.5191 1.383 191.6 2.151 1.554 1.343 12.95
0.5395 1.381 190.8 2.157 1.553 1.304 12.90
0.5594 1.378 189.1 2.173 1.550 1.338 12.81
0.5795 1.378 189.2 2.171 1.551 1.341 12.82
0.6025 1.377 188.5 2.178 1.550 1.339 12.77
0.6185 1.376 188.1 2.181 1.550 1.340 12.75
Average percent deviation =12.97
List of abbreviations used in Tables:
х: Mole fraction
ρ: Density
u: Ultrasonic velocity
α: Thermal expansion coefficient
βT: Isothermal compressibility
Pint: Internal pressure
γ: heat capacity ratio
Г: Pseudo gruneisen parameter
Table 3: Calculated values of α, βT, Pint, γ and Г of binary system— n-heptane(x1) + n-hexane at 298.15 K.