Elements of chemistry, tr. by R. Kerr, Volume 1

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Page 52 - ... fluid, which, insinuating itself between the particles of bodies, separates them from each other; and, even allowing the existence of this fluid to be hypothetical, we shall see in the sequel, that it explains the phenomena of nature in a very satisfactory manner.
Page 110 - ... and becomes one of thofe bodies called acids. This property of a combuftible fubftance to be converted into an acid, by the addition of oxygen, we...
Page 224 - We may lay it down as an incontestable axiom that, in all the operations of art and nature, nothing is created ; an equal quantity of matter exists both before and after the experiment...
Page 233 - After giving the details of his analysis of sugar and of the products of fermentation Lavoisier continues : — " The effect of the vinous fermentation upon sugar is thus reduced to the mere separation of its elements into two portions ; one part is oxygenated at the expense of the other, so as to form carbonic acid ; while the other part, being disoxygenated in favour of the latter, is converted into the combustible substance called alkohol ; therefore, if it were possible to re-unite alkohol and...
Page 298 - This much is certain, that plants which grow in darknefs are perfectly white, languid and unhealthy, and that to make them recover vigour, and to acquire their natural colours, the direct influence of light is abfolutely neceflary.
Page 54 - ... and mathematical manner. In the present state of our knowledge, we are unable to determine whether light be a modification of caloric, or if caloric be, on the contrary, a modification of light.
Page 368 - A. fembles the garnet, and varies in colour from a pearl-white to yellow and reddifh ; it is found in feveral parts of Saxony and Bohemia. The mineral called Wolfram, which is frequent in the mines of Cornwal, is likewife an ore of this metal. In all thefe ores the metal is oxydated ; and, in fome of them, it appears even to be oxygenated to the ftate of acid, being combined with lime into a true tungftat of lime. To obtain the acid free, mix one part of ore of tungftein with four parts of carbonat...
Page 349 - ... it is chiefly united to foda. This acid does not appear to have been hitherto decompofed in any chemical experiment*, fo that we have no idea whatever of the nature of its radical, and only conclude, from analogy with the other acids, that it contains oxygen as its acidifying principle.
Page 52 - ... repulsion caused by the heat, assume the state of vapour or gas, and the water is changed into an aeriform fluid. The same may be affirmed of all bodies in nature: they are either solid or liquid, or in the state of elastic...
Page 82 - FG, so as to raise the quicksilver to LL, and I carefully marked the height at which it stood by pasting on a slip of paper. Having accurately noted the height of the thermometer and barometer...

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