Development and Use of Flowchart for Preservice Chemistry Teachers’ Problem Solving on the First Law of Thermodynamics,Journal of Chemical Education

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Development and Use of Flowchart for Preservice Chemistry Teachers’ Problem Solving on the First Law of Thermodynamics
Journal of Chemical Education ( IF 2.5 ) Pub Date : 2023-08-11 , DOI: 10.1021/acs.jchemed.3c00224
Sinem Gencer ₁

Affiliation

The main purpose of this study was to describe the development and use of a flowchart for preservice chemistry teachers’ problem solving on the First Law of Thermodynamics. Twenty-seven undergraduate preservice chemistry teachers attending a Physical Chemistry course participated in this study. The responses of the participants to the set of test problems associated with the reversible isothermal, isochoric, isobaric, adiabatic, and cyclic processes, with and without the flowchart, and the views of the participants about the flowchart were used as data sources. The results showed that the flowchart developed in this study could influence the ability of preservice chemistry teachers to solve the problems associated with the First Law of Thermodynamics and decrease the errors while solving these problems. Moreover, it was found that almost all of the participants were successful in correctly solving the problems related to reversible isothermal and isochoric processes with the flowchart. The views of the participants about the flowchart indicated that using the flowchart is an effective way to solve the problems.

中文翻译：

职前化学教师热力学第一定律解题流程图的开发与使用

本研究的主要目的是描述职前化学教师解决热力学第一定律问题的流程图的开发和使用。参加物理化学课程的二十七名本科职前化学教师参与了这项研究。参与者对与可逆等温、等容、等压、绝热和循环过程相关的一组测试问题的反应（有或没有流程图）以及参与者对流程图的看法被用作数据源。结果表明，本研究开发的流程图可以影响职前化学教师解决热力学第一定律相关问题的能力，并减少解决这些问题时的错误。而且，结果发现，几乎所有的参与者都成功地利用流程图正确解决了可逆等温和等容过程的相关问题。参与者对流程图的看法表明，使用流程图是解决问题的有效方法。

更新日期：2023-08-11

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