Thermodynamic and Acoustic Study on Molecular Interactions in Certain Binary Liquid Systems Involving Ethyl Benzoate

Table 5

Coefficients, 𝐴_𝑖, of (6) and standard deviations, 𝜎, for binary systems at different temperatures.

	𝑇/K	𝐴0	𝐴1	𝐴2	σ
Ethyl benzoate + NNDMF
Δ𝛽ad×10^−12/m^2N^−1	303.15	−6.4467	2.2499	−0.0638	0.0171
	308.15	−6.8775	2.8689	−1.3139	0.0391
	313.15	−7.2181	3.6083	−2.8140	0.0767
	318.15	−7.6186	4.2860	−5.1293	0.1145
𝑉^𝐸×10^−6/m^3mol^−1	303.15	−5.1947	0.8178	1.3098	0.0259
	308.15	−5.8404	1.3461	−0.4321	0.0456
	313.15	−6.1729	2.0602	−2.4103	0.0899
	318.15	−7.0606	−2.4146	−5.8222	0.1234
𝐿^𝐸𝑓/Å	303.15	−0.0285	0.0096	0.0020	0.0001
	308.15	−0.0301	0.0123	−0.0047	0.0002
	313.15	−0.0312	0.0154	−0.0118	0.0003
	318.15	−0.0328	0.0177	−0.0215	0.0005
Ethyl benzoate + NNDMAc
Δ𝛽ad×10^−12/m^2N^−1	303.15	−7.8289	1.3767	−0.1647	0.0155
	308.15	−10.7235	−0.2065	0.0599	0.0681
	313.15	−11.2398	0.4350	−3.1080	0.0260
	318.15	−11.9293	2.3285	−6.8757	0.1496
𝑉^𝐸×10^−6/m^3mol^−1	303.15	−8.0967	−0.1873	0.3985	0.0196
	308.15	−8.7131	0.0699	−1.4562	0.0315
	313.15	−9.9358	−0.2638	−1.9087	0.0390
	318.15	−11.1717	1.5314	−3.0602	0.1497
𝐿^𝐸𝑓/Å	303.15	−0.0342	0.0064	0.0000	0.0001
	308.15	−0.0471	−0.0007	0.0004	0.0003
	313.15	−0.0488	0.0022	−0.0131	0.0001
	318.15	−0.0516	0.0093	−0.0287	0.0007
Ethyl benzoate + NNDMA
Δ𝛽ad×10^−12/m^2N^−1	303.15	−7.0776	−0.9608	−0.6333	0.0256
	308.15	−7.8226	−1.4455	−2.2954	0.0322
	313.15	−8.4985	−1.4000	−3.4138	0.0474
	318.15	−9.3139	−1.6851	−4.5462	0.0618
𝑉^𝐸×10^−6/m^3mol^−1	303.15	−5.5381	−2.0172	−0.4794	0.0310
	308.15	−6.0491	−1.9707	−1.6874	0.0364
	313.15	−6.5792	−2.0734	−2.1865	0.0427
	318.15	−7.1185	−2.0844	−3.1230	0.0440
𝐿^𝐸𝑓/Å	303.15	−0.0311	−0.0032	−0.0031	0.0001
	308.15	−0.0344	−0.0061	−0.0089	0.0001
	313.15	−0.0372	−0.0049	−0.0143	0.0003
	318.15	−0.0404	−0.0064	−0.0203	0.0003