V2EX chemical equilibrium

Chemical Equilibrium

释义 Definition

化学平衡:在一定条件下,可逆反应的正反应速率相等,宏观上各物质的浓度(或分压等)保持不变的动态状态。(也常说“达到平衡”)

发音 Pronunciation (IPA)

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例句 Examples

The reaction reached chemical equilibrium after an hour.
该反应在一小时后达到了化学平衡。

At chemical equilibrium, changing the temperature can shift the balance and alter the product yield.
在化学平衡状态下,改变温度会使平衡发生移动,从而改变产物产量。

词源 Etymology

chemical 源自与“炼金术/化学”相关的中世纪拉丁语与法语词形,最终可追溯到希腊语中与“混合、熔炼”相关的词根。equilibrium 来自拉丁语 aequus(“相等的”)+ libra(“天平、秤”),字面意思是“天平两端相等”,引申为“平衡状态”。合起来即“化学反应中的平衡”。

相关词 Related Words

文学与经典作品 Notable Works

  • Atkins’ Physical Chemistry(《阿特金斯物理化学》)
  • General Chemistry(如 Linus Pauling 等人的经典《普通化学》教材版本中常见该术语)
  • Chemical Principles(常见普通化学课程教材中对“chemical equilibrium/化学平衡”有系统章节)
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