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A System of Chemistry (Volume 1) (Paperback) Loot Price: R622 Discovery Miles 6 220
A System of Chemistry (Volume 1) (Paperback): John Murray
A System of Chemistry (Volume 1) (Paperback): John Murray

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A System of Chemistry (Volume 1) (Paperback)

John Murray

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Loot Price R622 Discovery Miles 6 220

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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1806. Not illustrated. Excerpt: ... thust perhaps be ultimately referred to the changes of capacity* as ascertained by experiment. c. (ft. 85. J No part of the doctrines which Berthollet has advanced is more important than what relates to the influence of external circumstances on the exertion of affinity. They are comprehended under the general proposition, that affinity is not an uniform force, varying merely in its intensity, as exerted by different substances, but that it is much modified by several causes, chiefly by Quantity of Matter, Cohesion, and Elasticity. Of these, quantity of matter h undoubtedly the most important, since it influences so much trie operation of the others, and the doctrine with regard to it affords several important corollaries. The following are a few of the facts referred to in the text, as those by which the truth of-the principle Berthollet has advanced, that quantity of matter within the sphere of action adds to the force of the aflinity which that matter exerts, is established. " I have kept," says he, " an equal quantity of potash, and of sulphate of barytes, in a small quantity of boiling water. The potash had been prepared by alkohol, and contained no carbonic acid: the same served for the following experiments. The operation was performed in a retort, and consequently in communication with the air; and it was continued until the mixture was desiccated: the residue was washed with alkohol, which dissolved' the potash, and after that with water, which also produced an alkaline solution, the alkali of which I saturated with acetic acid; after which, by evaporation, the solution yielded crystals, possessing all the characters and qualities of the sulphate of potash. Whence it appears, that the sulphate of barytes was partially decomposed by the potash, and th...


Imprint: General Books LLC
Country of origin: United States
Release date: 2012
First published: 2012
Authors: John Murray
Dimensions: 246 x 189 x 10mm (L x W x T)
Format: Paperback - Trade
Pages: 186
ISBN-13: 978-1-234-99787-8
Barcode: 9781234997878
Categories: Books
LSN: 1-234-99787-8

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