Description
Excerpt from The Free Expansion of Gases: Memoirs by Gay-Lussac, Joule and Joule and Thomson
The experiments on the changes Of temperature which gases experience when they are allowed to expand under such conditions as to do no external work are of great importance from two standpoints: 1. Owing to the minuteness of the change of temperature, it may be assumed that the intrinsic energy of a gas is almost entirely kinetic; and so conclusions may be drawn between the mechanical work done in compress ing a gas and the rise of temperature produced 2. Measure ments Of the minute changes lead to a method of comparing temperatures as registered on a gas-thermometer and those which are given on Thomson''s Absolute Scale.
Robert Mayer assumed that there was no internal work done in compressing a gas, and so made a calculation for what is now called the mechanical equivalent of heat. The question as to whether Mayer was acquainted with the experiments of gay-lussac at the time he made his calculation or not has long been an open one but it is generally acknowledged now that he was familiar with the results obtained by gay-lussac. And so was justified in his theoretical work. Gay-lussac per formed his experiments ou the free expansion of gases in the year 1807; and a translation of his memoir is given in this volume.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
The experiments on the changes Of temperature which gases experience when they are allowed to expand under such conditions as to do no external work are of great importance from two standpoints: 1. Owing to the minuteness of the change of temperature, it may be assumed that the intrinsic energy of a gas is almost entirely kinetic; and so conclusions may be drawn between the mechanical work done in compress ing a gas and the rise of temperature produced 2. Measure ments Of the minute changes lead to a method of comparing temperatures as registered on a gas-thermometer and those which are given on Thomson''s Absolute Scale.
Robert Mayer assumed that there was no internal work done in compressing a gas, and so made a calculation for what is now called the mechanical equivalent of heat. The question as to whether Mayer was acquainted with the experiments of gay-lussac at the time he made his calculation or not has long been an open one but it is generally acknowledged now that he was familiar with the results obtained by gay-lussac. And so was justified in his theoretical work. Gay-lussac per formed his experiments ou the free expansion of gases in the year 1807; and a translation of his memoir is given in this volume.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Details
Publisher - Forgotten Books
Language - English
Hardback
Contributors
Author
Joseph Sweetman Ames
Published Date -
ISBN - 9780331228205
Dimensions - 22.9 x 15.2 x 0.7 cm
Page Count - 121
Paperback
Contributors
Author
Joseph Sweetman Ames
Published Date -
ISBN - 9781332013692
Dimensions - 22.9 x 15.2 x 0.7 cm
Page Count - 123
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