Page:Scientific Papers of Josiah Willard Gibbs.djvu/425

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VAPOR-DENSITIES.

389

Table IV.—Acetic Acid.
Experiments of Cahours,—Horstmann,—Troost.
Temperature	Pressure	Density calculated by eq. (10).	Density observed.			Excess of observed density.
			Cahours $\scriptstyle {\overbrace {\quad \quad \quad \quad \quad } }$		Horstmann.	Cahours $\scriptstyle {\overbrace {\quad \quad \quad \quad \quad } }$		Horstmann.
			C. R.	Leçons.	Horstmann.	C. R.	Leçons.	Horstmann.

338	(760)	2.077	2.08			.00
336	(760)	2.077		2.082			+.005
327	(760)	2.078	2.08	2.085		.00	+.007
321	(760)	2.079	2.08	2.083		.00	+.004
308	(760)	2.081		2.085			+.004
300	(760)	2.082	2.08			.00
295	(760)	2.084		2.083			-.001
280	(760)	2.089	2.08			-.01
272	(760)	2.093		2.088			-.005
254.6	747.2	2.105			2.135			+.030
252	(760)	2.108		2.090			-.018
250	(760)	2.111	2.08			-.03
240	(760)	2.122		2.090			-.032
233.5	752.8	2.132			2.195			+.063
231	(760)	2.137	(2.12)	2.101		(-.02)	-.036
230	(760)	2.139	2.09			-.05
219	(760)	2.165	2.17	2.132		+.01	-.033
200	(760)	2.239	2.22	2.248		-.02	+.009
190	(760)	2.298	2.30	2.378		.00	+.080
181.7	749.7	2.359			2.419			+.060
180	(760)	2.376		2.438			+.062
171	(760)	2.466	2.42			-.05
170	(760)	2.477		2.480			+.003
165.0	754.1	2.534			2.647			+.113
162	(760)	2.575		2.583			+.008
160.3	751.6	2.594			2.649			+.055
160	(760)	2.601	2.48			-.12
152	(760)	2.716	(2.72)	2.727		(.00)	+.011
150	(760)	2.747	2.75			.00
145	(760)	2.826	(2.75)			(-.08)
140	(760)	2.910	2.90	2.907		-.01	-.003
134.3	748.8	3.001			3.108			+.107
131.3	754.1	3.055			3.070			+.107
130	(760)	3.082	3.12	3.105		+.04	+.023
128.6	752.9	3.103			3.079			-.024
125	(760)	3.168	3.20			+.03
124	(760)	3.185		3.194			+.009

			Bineau		Troost.	Bineau.		Troost.
132	757	3.05	(2.86)			(-.19)
130	59.7	2.31			2.12			-.19
130	30.6	2.21			2.10			-.11
129	633	3.03	(2.88)			(-.15)
36.5	11.32	3.63	3.62			-.01
35.0	11.19	3.65	3.64			-.01
30.0	6.03	3.61	3.60			-.01
28.0	10.03	3.75	3.75			.00
24.0	5.75	3.71	3.70			-.01
22.0	8.64	3.82	3.85			+.03
22	2.70	3.59	3.56			-.03
21.0	4.06	3.70	3.72			+.02
20.5	10.03	3.86	3.95			+.09
20.0	8.55	3.84	3.88			+.04
20.0	5.56	3.77	3.77			.00
19.0	4.00	3.73	3.75			+.02
19	2.60	3.65	3.66			+.01
12.0	5.23	3.88	3.92			+.04
12	2.44	3.77	3.80			+.03
11.5	3.76	3.84	3.88			+.04

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