International Scholarly Research Notices

Research Article

Thermophysical Properties of Binary Liquid Systems of Ethanoic Acid, Propanoic Acid, and Butanoic Acid with Benzene or Acetophenone

Table 4

Coefficients of (9) and standard deviation (SD) determined by the method of least squares.

(a) System: ethanoic acid (1) + benzene (2)


Temp.	= 298.15, K				= 308.15, K				= 318.15, K
Coeff. of (9)	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹

	3.4057	−2036.7	−0.7083	−0.1438	3.3546	−2190.4	−0.6270	−0.1148	3.2885	−1582.1	−0.4091	−0.1021
	0.1473	−570.94	−0.3870	0.1166	0.2460	−919.75	−0.3834	0.0811	0.3229	875.912	0.1482	0.0671
	0.5936	1060.26	0.1385	0.0069	0.2239	2253.75	0.3941	−0.0229	0.0329	4602.96	1.0281	0.0052
SD	0.0046	0.9097	0.0004	0.0024	0.0066	15.0513	0.0029	0.0019	0.0106	20.9443	0.0006	0.0025

(b) System: propanoic acid (1) + benzene (2)


Temp.	= 298.15, K				= 308.15, K				= 318.15, K
Coeff. of (9)	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹

	1.5593	−817.53	−0.2753	−0.3333	1.4645	−908.81	−0.2545	−0.2841	1.3824	−59.558	−0.0305	−0.2906
	−0.1945	406.993	0.0821	0.1821	−0.2298	631.847	0.1348	0.1516	−0.2524	1926.95	0.4671	0.1026
	−0.5306	1137.63	0.3751	−0.1745	−0.4702	1653.71	0.4651	−0.2454	−0.4703	1900.34	0.5546	−0.0278
SD	0.0025	4.9749	0.0002	0.0022	0.0033	7.6158	0.0001	0.0032	0.0035	13.9527	0.0011	0.0023

(c) System: butanoic acid (1) + benzene (2)


Temp.	= 298.15, K				= 308.15, K				= 318.15, K
Coeff. of (9)	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹

	1.3265	−766.41	−0.2993	−0.6355	0.9972	−479.11	−0.1557	−0.5632	0.9699	1437.98	0.3753	−0.4996
	−0.0839	352.158	0.0682	0.2170	−0.2319	723.101	0.2175	0.2762	−0.2740	538.149	0.2511	0.2161
	0.2549	1271.88	0.5053	−0.2678	−0.2829	1144.88	0.4437	−0.2589	−0.4747	−1097.5	−0.2301	−0.1274
SD	0.0025	7.9049	0.0011	0.0037	0.0026	10.4486	0.0005	0.0045	0.0011	7.4136	0.0001	0.0019

(d) System: ethanoic acid (1) + acetophenone (2)


Temp.	= 298.15, K				= 308.15, K				= 318.15, K
Coeff. of (9)	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹

	−1.1887	1773.18	0.6988	3.5069	−1.5271	2302.41	0.8237	3.4363	−1.7228	3144.69	0.9608	4.7515
	−0.0156	318.334	−0.0168	−0.1138	0.0861	643.012	0.1139	−0.1918	0.0136	795.337	0.1274	−0.4302
	−0.2739	−46.906	−0.0924	−2.4741	−0.2552	−51.471	−0.1390	1.1646	−0.9039	600.09	0.0699	0.4843
SD	0.0078	0.2584	0.0001	0.0368	0.0107	0.5067	0.0001	0.0249	0.0077	2.8808	0.0001	0.0421

(e) System: propanoic acid (1) + acetophenone (2)


Temp.	= 298.15, K				= 308.15, K				= 318.15, K
Coeff. of (9)	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol^-1	, J mol⁻¹	, mPa s	, dyne cm⁻¹

	−2.1586	1575.04	0.7842	3.2115	−2.5740	2266.12	0.9866	3.5476	−2.9319	3336.55	1.2061	3.6371
	−0.4770	89.9121	−0.1441	−4.1671	−0.4158	224.961	−0.1081	−4.8025	−0.4622	412.138	−0.0243	−5.4345
	−1.1862	159.141	0.0621	0.8986	−1.8773	440.569	0.1263	1.6488	−2.9319	636.631	0.0692	3.7051
SD	0.0057	0.4763	0.0001	0.0296	0.0046	1.7711	0.0001	0.0289	−0.4622	2.5552	0.0001	0.0371

(f) System: butanoic acid (1) + acetophenone (2)


Temp.	= 298.15, K				= 308.15, K				= 318.15, K
Coeff. of (9)	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹	, cm³ mol⁻¹	, J mol⁻¹	, mPa s	, dyne cm⁻¹

	−2.1062	609.099	0.3895	2.5197	−2.5541	1683.49	0.9184	2.7061	−3.0827	3014.95	1.2999	2.9131
	−0.1445	19.8592	0.0009	1.9580	−0.1158	82.0211	0.0129	1.8902	−0.1071	−644.28	−0.3272	1.8747
	−0.4769	−78.407	−0.0556	0.6841	−1.1813	104.424	−0.0028	0.9832	−1.0573	860.142	0.2081	0.8359
SD	0.0019	0.0827	0.0001	0.0267	0.0049	5.0118	0.0029	0.0194	0.0031	8.1692	0.0031	0.0183