Apparent molar volumes and apparent molar heat capacities of aqueous solutions ofN,N- dimethylformamide andN,N- dimethylacetamide at temperatures from 278.15 to 393.15 K and at the pressure 0.35 MPa

Apparent molar volumes and apparent molar heat capacities of aqueous N-acetyl-d-glucosamine at temperatures from 278.15K to 368.15K and of aqueous N-methylacetamide at temperatures from 278.15K to 393.15K at the pressure 0.35MPa

“…This value of DV / is consistent with TABLE 3 Regression parameters of equation (2) for apparent molar volumes V / of aqueous N-acetyl-D-glucosamine and N-methylacetamide, and also of an equation of the same form as equation (2) for D r V / for reaction (5) 15.0 ± 0.5 D a ±1.9 ±0.020 ±2.0…”

“…In equation (2) aqueous N,N-dimethylacetamide [5]. Our extrapolated V 2 ¼ ð74:11 AE 0:02 SDÞ cm 3 Á mol À1 at T = 303.15 K for aqueous N-methylacetamide is larger by 1.21 cm 3 AE mol À1 than the value reported by Assarsson and Eirich [8] at that T, although the value of V / we calculate from equation (2) with our parameters in table 3 is just 0.56 cm 3 AE mol À1 larger than their reported value at m = 0.3182 mol AE kg À1 .…”

“…aq)}] = (14.28 8 ± 0.06 5 SD) cm 3 AE mol À1 is calculated using equation (2) with the regression coefficients in table 3, and the results for N,N-dimethylacetamide(aq) from Origlia et al [5]. This value of DV / is consistent with TABLE 3 Regression parameters of equation (2) for apparent molar volumes V / of aqueous N-acetyl-D-glucosamine and N-methylacetamide, and also of an equation of the same form as equation (2) for D r V / for reaction (5) 15.0 ± 0.5 D a ±1.9 ±0.020 ±2.0…”

“…Surface generated from equation (2) the -CH 2 -group contribution to V / at T = 298.15 K and p = 0.35 MPa reported previously [5,6]. Values of C p,/ for aqueous N-acetyl-D-glucosamine and N-methylacetamide were determined using the following equation:…”

Apparent molar volumes and apparent molar heat capacities of aqueous ethane-1,2-diol, propane-1,2-diol, and propane-1,3-diol at temperatures from 278.15 K to 393.15 K and at the pressure 0.35 MPa

“…In previous investigations (1,2) we have studied densities and heat capacities of aqueous solutes containing various hydrocarbon moieties. An aim of these studies was to establish the dependence of the thermodynamic properties of their aqueous solutions on solute structure.…”