THERMODYNAMIC PROPERTIES OF TWELVE LIQUIDS 



BETWEEN 20° AND 80° AND UP TO 12000 KGM. 



PER SQ. CM. 



. By p. W. Bridgman. 

 Presented November 13, 1912. Received December 30, 1912. 



Table of Contents. 



Page. 



I Introduction 4 



II Experimental Method 7 



III Methods of Computation 18 



The Table of Volumes 18 



Thermal Dilatation 27 



Isothermal Compressibility 29 



Work of Compression 30 



Heat of Compression .... 32 



Change of Internal Energy 32 



Specific Heat at Constant Pressure 33 



Specific Heat at Constant Volume 36 



IV Numerical Details of Experiment and Computation 37 



Methyl Alcohol 38 



Ethyl Alcohol 42 



Propyl Alcohol 46 



Isobutyl Alcohol 48 



Amyl Alcohol • • • 52 



Ether o5 



Acetone 58 



Carbon Bisulphide 61 



Phosphorus Trichloride 64 



Ethyl Chloride 66 



Ethyl Bromide 68 



Ethyl Iodide 72 



V Discussion of the Thermodynamic Properties 74 



Volume 74 



Thermal Expansion 76 



Isothermal Compressibility 83 



Pressure Coefficient 89 



Work of Compression 9Q 



Heat of Compression 93 



Change of Internal Energy 95 



Specific Heat at Constant Pressure 100 



Specific Heat at Constant Volume 101 



VI General Discussion of the Bearing of the Results on a Theory of 



Liquids for High Pressures 104 



VII Summary 11^ 



