Le Chatelier’s Principle Observed in Real-Time: A Classroom Demonstration Using Digital Probeware,Journal of Chemical Education

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Le Chatelier’s Principle Observed in Real-Time: A Classroom Demonstration Using Digital Probeware
Journal of Chemical Education ( IF 2.5 ) Pub Date : 2023-12-05 , DOI: 10.1021/acs.jchemed.3c00401
Alisha U. Asif ₁ , Alexa K. Beathard ₁ , Ronald M. Bercaw ₁ , Stephen G. Prilliman ₁

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A demonstration that provides time-dependent data exemplifying Le Chatelier’s principle was created and tested in a classroom setting. The demonstration is safe and reliable and uses common lab glassware and only club soda to create the equilibrium reaction system. Real-time pressure versus time data is displayed during the demonstration allowing students to observe the pressure of carbon dioxide as the system is perturbed and then shifts to re-establish equilibrium. The demonstration is carried out using the predict-observe-explain model for greater pedagogical impact.

中文翻译：

实时观察勒夏特列原理：使用数字探针软件进行课堂演示

创建了一个演示并在课堂环境中进行了测试，该演示提供了体现勒夏特列原理的时间相关数据。该演示安全可靠，并使用常见的实验室玻璃器皿和苏打水来创建平衡反应系统。演示期间显示实时压力与时间的数据，使学生能够观察系统受到扰动然后重新建立平衡时的二氧化碳压力。该演示是使用预测-观察-解释模型进行的，以产生更大的教学影响。

更新日期：2023-12-05

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