V2EX ideal solution

Ideal Solution

释义 Definition

ideal solution”(理想溶液):在化学中指一种“近似完美”的溶液模型各组分之间的相互作用与各自纯物质中的相互作用相当,因此混合时几乎不放热/不吸热、体积变化可忽略,并且遵守拉乌尔定律(Raoult’s law)。在更广义的日常语境中,也可指“最理想的解决方案”(但更常说 ideal solution to a problem)。

发音 Pronunciation (IPA)

/adil slun/

词源 Etymology

  • ideal 源自拉丁语 idealis(“观念的、理想的”),与 idea(观念)同源,强调“符合完美标准的”。
  • solution 源自拉丁语 solutio(“解开、松开、溶解”),来自动词 solvere(解开/解除),因此既可指“溶液”,也可指“解决办法”。合在一起,既可作化学术语“理想溶液”,也可引申为“理想的解决方案”。

例句 Examples

An ideal solution obeys Raoult’s law across the whole composition range.
理想溶液在整个组成范围内都遵守拉乌尔定律。

Because real mixtures rarely behave as an ideal solution, chemists use activity coefficients to correct their clculations.
由于真实混合物很少表现为理想溶液,化学家会用活度系数来修正计算。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Physical Chemistry(Peter Atkins & Julio de Paula)在相平衡与溶液章节中频繁讨论“ideal solution”模型。
  • Introduction to Chemical Engineering Thermodynamics(J. M. Smith, H. C. Van Ness, M. M. Abbott)用“ideal solution”作为热力学推导与工程近似的基础概念。
  • Thermodynamics and an Introduction to Thermostatistics(Herbert B. Callen)在热力学框架下涉及理想化体系与溶液近似的讨论。
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