X CONTENTS 



CHAPTEE III 

 MAXWELL'S LAW 



SECTION PAGE 



22. UNEQUAL DISTRIBUTION OF MOLECULAR SPEED ... 41 



23. THE APPLICABILITY OF THE CALCULUS OF PROBABILITY TO THE 



KINETIC THEORY 42 



24. MAXWELL'S LAW 44 



25. PROOF OF MAXWELL'S LAW 45 



26. FULLER EXPLANATION OF MAXWELL'S LAW .... 49 



27. MEAN VALUE OF THE SPEED 53 



28. VALUES OF THE SPEEDS 56 



29. EQUALITY OF TEMPERATURE OF DIFFERENT GASES . . . 59 



30. GAY-LUSSAC'S LAW OF GASEOUS DENSITIES ... 62 



31. AVOGADRO'S LAW 63 



32. COEFFICIENT OF EXPANSION 65 



33. MAXWELL'S LAW FOR A GAS IN MOTION 66 



34. PRESSURE OF A GAS IN MOTION. EESISTANCE ... 67 



35. EEACTION. CROSS-PRESSURE 69 



36. PROPAGATION OF SOUND ... ... 73 



37. EFFUSION OF GASES ... ... 77 



38. THERMAL EFFUSION .... ... 87 



39. HEAT EFFECTS ACCOMPANYING EFFUSION . . 90 



CHAPTEE IV 



IDEAL AND ACTUAL GASES 



40. INEXACTNESS OF THE THEORETICAL LAWS .... 92 



41. VAPOURS 95 



42. SATURATED VAPOURS. ABSOLUTE BOILING-POINT ... 96 



43. EANKINE r S AND EEC KNAGE L' S MODIFICATION OF B OYLE ' S 



LAW 99 



44. HIRN'S AND VAN DER WAALS'S CORRECTION OF BOYLE'S 



LAW 100 



45. COMPARISON WITH EEGNAULT'S OBSERVATIONS. . . . 103 



46. PRESSURE- AND VOLUME-COEFFICIENTS 104 



47. COMPLETIONS OF VAN DER WAALS'S FORMULA . . . 107 



48. THE COHESION OF GASES 108 



49. PLAYFAIR AND WANKLYN'S EXPLANATION OF THE 



ANOMALIES Ill 



50. HORSTMANN'S EXPLANATION 113 



51. CLAIMS OF THE Two EXPLANATIONS . . . . . . 114 



