VOL.8, No. 10
RECENT BOOKS
2105
raphy of texts and papers. There is included also an index of names and one of subjects. The hook is well written, clear, and Umv~asrru ov MARYLAND Co~~eo PAaa. e M*nn*No logical. The author has succeeded in presenting material in so-called Modern B. LOEB. Physics in a manner that is interesting The Nature of a Gas. LEONARD University of California. John Wiley and understandable for those who are and Sons, Inc., New York City. 1931. interested simply in science in generalx 153 pp. 11 figs. 14.7 X 22.7 em. readers who are intimidated by the usual ?$2.50. complicated language and mathematical This text is Monograph No. 1 published symbols of the specialist in this field. under the auspices of the Committee on While written from the viewpoint of a this book should he useful to Electrical Insulation of the Division of .~hvsicist . Engineering and Industrial Research, the stu? .lt of chemistry, furnishing him National Research Council. with concise, intelligible information on the work accomplished to date in a field The book is divided into three parts: Introduction, The Kinetic Picture of a in which both are so vitally concerned. I t should be especially valuable to engiGss, and Ionization Phenomena. The first deals with the electrical structure of neers "who are concerned with the probatoms and molecules. Starting with the lems of the behavior of dielectrics as insufundamental properties of the electron lation," in that i t provides basic inforthe author presents in logical sequence the mation on the nature and electrical properC m s . G. EICHLIN necessary factors that lead to the generally ties of a gas. UNIVERSLTY OF M I Q Y L A N D accepted present-day ideas of atomic C o u ~ o eP m x , MD. nuclei, the extranudear structure of the The First Course in Quantitative Analysis. atom, and molecular structure. FLOYDHAMILTON FISH, MS., Ch.E. The second chapter explains the beProfessor of Analytical Chemistry, the havior of atoms and molecules in gases Virginia Polytechnic Institute. P. under normal conditions from the point Blakiston's Son & Co., Inc., Philaof view of kinetics. I n i t are discussed 120 pp. 3 figs. delphia, 1931. x Avogadro's Number, Joule's Law, Mean 19 X 13 cm. $1.25 net. Free Path, Molecular Velocities, and the Law of Equipartition of Energy, concludPart I of this little hook is arranged for ing with a summary that provides a engineering and applied science students qualitative picture of a gas. and Part I1 for agricultural and home The third part is concerned with atoms economics students; the difference being and molecules disturbed from their nor- in the nature of the laboratory exercises. mal electrical states. I n this portion are In Part I these consist of the preparation discussed "the conditions causing such and standardization of the commoner disturbances, the laws governing them, volumetric solutions and their use in the and the nature and extent of the dis- titration of various mixtures of hydroxide. turbances produced." The author treats bicarbonate, and carbonate of sodium, and of the various general phenomena in eain the determination of iron, copper, and citation and ionization, together with chlorine. The gravimetric exercises are special reference to ionization in gases. the determination of iron and sulfate in a In the appendix are tables of molecular salt, and moisture loss on ignition, SiOs, constants, such as molecular radii, molecu- R,O1, CsO, and MgO in limestone. Part lar velocities, mean free paths, a table I1 uses some of the exercises of Part I of useful constants and conversion fac- but contains mostly work in feed and tors, and a rather comprehensive bibliog- fertiliw analysis.
position to give a complete course on them. MALCOLM M. HARING
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