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V.—On the Heat Developed in the Combination of Acids and Bases. Second Memoir.
Published online by Cambridge University Press: 17 January 2013
Extract
In a paper communicated to the Royal Irish Academy in 1841, I gave an account of a large number of experiments on the heat disengaged when acids and bases, taken in the state of dilute solution, enter into combination, and when bases, insoluble in water, are dissolved in dilute acids. The following general conclusions or laws were deduced from those experiments:—
Law 1.—The heat developed in the union of acids and bases is determined by the base and not by the acid, the same base producing, when combined with an equivalent of different acids, nearly the same quantity of heat; but different bases, different quantities.
Law 2.—When a neutral is converted into an acid salt, by combining with one or more atoms of acid, no change of temperature occurs.
Law 3.—When a neutral is converted into a basic salt, by combining with an additional proportion of base, the combination is accompanied with the evolution of heat.
- Type
- Transactions
- Information
- Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 26 , Issue 1 , 1870 , pp. 85 - 95
- Copyright
- Copyright © Royal Society of Edinburgh 1870
References
page 85 note * Transactions of the Royal Irish Academy, vol. xix. p. 228.
page 85 note † Philosophical Transactions for 1844, p. 21.
page 86 note * Memoirs of the Chemical Society, vol. ii. p. 51.
page 86 note † Annales de Chimie et de Physique 3ème serie xxxvii. p. 497 (1853).
page 87 note * Transactions of the Royal Irish Academy, vol. xix. p. 240.
page 94 note * Transactions of the Royal Irish Academy, vol. xix. pp. 245–248. The observations of Graham confirm the statement that no heat is evolved in the formation of any double salt. Memoirs of the Chemical Society, vol. i. p. 83.
page 94 note † Poggendorff's Annalen, cxxxviii. p. 78.