Hasok Chang on the nature of acids

IF 1.8 3区 化学 Q1 HISTORY & PHILOSOPHY OF SCIENCE Foundations of Chemistry Pub Date : 2022-05-31 DOI:10.1007/s10698-022-09432-z
Eric R. Scerri
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引用次数: 5

Abstract

For a period of several years the philosopher of science Hasok Chang has promoted various inter-related views including pluralism, pragmatism, and an associated view of natural kinds. He has also argued for what he calls the persistence of everyday terms in the scientific view. Chang claims that terms like phlogiston were never truly abandoned but became transformed into different concepts that remain useful. On the other hand, Chang argues that some scientific terms such as acidity have suffered a form of “rupture”, especially in the case of the modern Lewis definition of acids. Chang also complains that the degree of acidity of a Lewis acid cannot be measured using a pH meter and seems to regard this as a serious problem. The present paper examines some of these views, especially what Chang claims to be a rupture in the definition of acidity. It is suggested that there has been no such rupture but a genuine generalization, on moving from the Brønsted-Lowry theory to the Lewis theory of acidity. It will be shown how the quantification and measurement of Lewis acidity can easily be realized through the use of equilibrium theory and the use of stability constants.

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Hasok Chang关于酸的性质
几年来,科学哲学家张夏素提出了多种相互关联的观点,包括多元主义、实用主义和自然种类的相关观点。他还为他所谓的科学观点中日常术语的持久性进行了论证。Chang声称,像燃素这样的术语从未被真正抛弃,而是被转化为不同的概念,这些概念仍然有用。另一方面,Chang认为,一些科学术语,如酸度,已经遭受了某种形式的“破裂”,特别是在现代刘易斯对酸的定义中。Chang还抱怨说,刘易斯酸的酸度不能用pH计来测量,他似乎认为这是一个严重的问题。本文考察了其中的一些观点,特别是张所声称的酸度定义的断裂。有人认为,在从Brønsted-Lowry理论到Lewis酸度理论的转变过程中,并没有这样的断裂,而是一种真正的推广。它将显示如何量化和测量路易斯酸度可以很容易地实现通过使用平衡理论和使用稳定常数。
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Foundations of Chemistry
Foundations of Chemistry HISTORY & PHILOSOPHY OF SCIENCE-
自引率
22.20%
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35
期刊介绍: Foundations of Chemistry is an international journal which seeks to provide an interdisciplinary forum where chemists, biochemists, philosophers, historians, educators and sociologists with an interest in foundational issues can discuss conceptual and fundamental issues which relate to the `central science'' of chemistry. Such issues include the autonomous role of chemistry between physics and biology and the question of the reduction of chemistry to quantum mechanics. The journal will publish peer-reviewed academic articles on a wide range of subdisciplines, among others: chemical models, chemical language, metaphors, and theoretical terms; chemical evolution and artificial self-replication; industrial application, environmental concern, and the social and ethical aspects of chemistry''s professionalism; the nature of modeling and the role of instrumentation in chemistry; institutional studies and the nature of explanation in the chemical sciences; theoretical chemistry, molecular structure and chaos; the issue of realism; molecular biology, bio-inorganic chemistry; historical studies on ancient chemistry, medieval chemistry and alchemy; philosophical and historical articles; and material of a didactic nature relating to all topics in the chemical sciences. Foundations of Chemistry plans to feature special issues devoted to particular themes, and will contain book reviews and discussion notes. Audience: chemists, biochemists, philosophers, historians, chemical educators, sociologists, and other scientists with an interest in the foundational issues of science.
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