Linebarger — Tension of Mixtures of Normal Liquids. '2i'2i7 



Table II. 

 Surface Tension of Mio^tures of Toluene and Turpentine. 



Percentage 

 Composition. 



CvHs 



0.000 



6.791 



20.654 



53.701 



75.091 



100.000 



CioHie 



100.000 

 93.209 

 79.340 

 46.299 

 24.909 



Molecular 



Percentatre 



ComposiUon. 



CioHie 



CvH, 



0.000 



9.724 



27.464 



63.162 



89.884 



100.000 

 90.276 

 72.536 

 36.838 

 20.116 



Speciflc 

 Gravity. 



Temperature 25=.0 



Observed Calculated 



Surface Surface 



Tension. Tension. 



0.85790 

 0.85960 

 0.85838 

 0.85682 

 0.85654 



25.93 



25.98 

 26.08 

 26.18 

 26.25 



25.99 

 26.11 

 26.31 

 26.54 



Differ- 

 ences. 



+ 0.01 

 + 0.03 



+ 0.13 



+ 0.29 



0.000 100.000 0.000 0.85680 26.74 



Table III. 

 Surface Tension of Mixtures of Benzene and Ethyl Oxide. 



Percentage 

 Composition 



CeHe 

 0.000 



28.576 



56.924 



54.691 



100.000 



C4H10O 

 100.000 

 71.424 

 43.076 

 24.309 

 0.000 



CeHe 



0.000 



27.502 



55.627 



74.709 



100.000 



Molecular 



Percentage 



Composition. 







100.000 



72.498 



44.373 



25.291 



0.000 



Temperature 25=. 



Specitic 

 Gravity. 



Observed 

 Surface 

 Tension. 



0.70942 

 0.75369 

 0.79972 

 0.83179 

 0.87390 



16.35 

 17.62 

 21.02 

 23.44 



27.29 



Calculated 



Surface 



Tension. 



19.45 

 22.53 

 24.57 



Differ- 

 ences. 



+ 1.83 



+ 1.51 

 + 1.13 



Table \Y . 



Surface Tension of Mixtures of Toluene and Carbon Bisulphide, 



CtHs 



0.000 



7.269 



37.992 



63.242 



100.000 



Percentage 

 Composition. 



CSo 



100.000 



92.731 



62.008 



36.758 



0.000 



Molecular 



Percentage 



Composition. 



CtHs 



0.000 



6.082 



33.605 



58.699 



100.000 

 93.918 

 66.395 

 41.301 



Temperature 25-.0 



Specific 

 Gravity. 



Observe( 

 Surface 

 Tension. 



1.25958 

 1.21783 

 1.06759 

 0.97217 



31.29 

 30.83 

 29.15 

 27.95 



Calculated 

 Surface 

 Tension. 



30.96 

 29.56 

 28.41 



Differ- 

 ences. 



+ 0.13 

 + 0.41 

 + 0.46 



100.000 0.000 0.85680 26.74 



Table V. 

 Surface Tension of 3Iixtures of Toluene and Ethyl Benzoate. 



0.000 

 15.282 

 47.322 

 76.170 



Percentage 

 Composition. 



CgllioOo 



100.000 

 84.718 



52.678 

 23.830 



Molecular 



Percentage 



Composition. 



CgHioOo 



CtHs 



0.000 

 22.726 

 59.450 



83.918 



100.000 

 77.274 

 40.550 

 16.082 



Temperature 25°.0 



Specific 

 Gravity. 



Observed 

 Surface 

 Tension 



1.04843 

 1.01458 

 0.94937 

 0. 



34.07 

 32.44 

 29.34 

 27.94 



Calculated 



Surface 



Tension. 



32.94 

 30.60 

 28.49 



Differ- 

 ences. 



+ 0.50 

 + 1.26 

 + 0.55 



100.000 0.000 100.000 0.000 0.85680 26.74 



