A Method of Determining the Specific Heat of a Gas at Constant Pressure (Classic Reprint) - Couverture souple

Dawes, Henry Franklin

Couverture souple

ISBN 10 : 1334260788 ISBN 13 : 9781334260780

Editeur : Forgotten Books, 2019

Synopsis

Excerpt from A Method of Determining the Specific Heat of a Gas at Constant Pressure

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A propos du livre

Présentation de l'éditeur

Section III., 1906 189 T rans. R. S. C. XII. AM ethod of Determining the Specific II eat of a Gas at Constant Pressure. By H. F. Dawes, M.A., University of Toronto. (C ommunicated by Prof. J. C. Mc Lennan, and read May 23, 1906.) The classical determination of this constant for several gases was made by Eegnault.1 His method consisted in passing a stream of heated gas through an ordinary water calorimeter and determining the quantity of heat given up by observing the rise in temperature of the water. The quantity of gas used in any experiment was determined from observations on the pressure, and the temperature of the gas together with the volume of the reservoir in which it was stored. The gas was heated by passing it through a long spiral tube of copper immersed in a bath of boiling oil. From the heating bath it passed directly into the calorimeter traversing it in a spiral copper tube. It was assumed that the air entered the calorimeter at the temperature of the oil bath, and left it at the temperature of the water. Besides the heat given up by the gas a certain amount was communicated to the calorimeter by conduction and by radiation both from the bath and from other bodies in the room. In order to determine the amount of heat derived from these sources observations were made on the temperature of the calorimeter for a certain time before the gas was allowed to pass through and again after the flow was stopped. Defects. In attempting to repeat this experiment with apparatus precisely similar to that used by Eegnault it was found that the arrangement had -several disadvantages. In the first place the calorimeter used was not very delicate, i.e., it required a comparatively large quantity of heat to make a sufficiently great difference between the initial and final temperatures of the calorimeter. Since both the specific heat and the density of a gas are v
(Typographical errors above are due to OCR software and don't occur in the book.)

Détails de l'édition

• Éditeur: Forgotten Books
• Date d'édition: 2019
• Langue: anglais
• ISBN 10: 1334260788
• ISBN 13: 9781334260780
• Reliure: Broché
• Nombre de pages: 26
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