定性定量结合理解化学反应本质——利用平衡常数解析化学工艺流程问题  

Combination of Qualitative and Quantitative Methods to Understand Nature of Reaction:Analysis of Chemical Process Flow Questions by Equilibrium Constants

作　　者：史文杰 李冉 郭玉林 SHI Wen-Jie;LI Ran;GUO Yu-Lin(High School Affiliated to University of Foreign Trade and Economics,Beijing 100102,China;Beijing Chaoyang District Teaching and Research Center,Beijing 100028,China)

机构地区：[1]对外经济贸易大学附属中学,北京100102 [2]北京市朝阳区教研中心,北京100028

出　　处：《化学教育（中英文）》2024年第3期118-122,共5页Chinese Journal of Chemical Education

基　　金：北京市教育学会“十四五”教育科研2022年度课题“以实验教学促学生‘证据推理与模型认知’素养提升的实践研究”(课题编号:CY2022-098)。

摘　　要：解读2022年北京学业水平等级考试化学第18题,利用平衡常数从定性和定量角度理解化学反应本质,推动学生构建基于平衡常数的平衡问题分析思路和方法,提高运用学科思想方法分析解决化学问题的意识和能力;并从“高利用、低排放”的工业实际生产模式分析浸钙、浸镁、沉镁试剂的选取,体会工程师的创造与实践。To understand the nature of reaction from a qualitative and quantitative perspective,the paper analyzes the 18th question of 2022 Beijing chemistry academic level examination.It aims to help students build balance problem analysis ideas and methods based on the equilibrium constant.And then their awareness and ability can be improved to solve chemical problems using disciplinary thinking methods.According to the industrial production method of“high utilization and low emissions”,this paper analyzes the selection of reagents and helps students experience the creativity and practice of engineers.

关 键 词：北京学业水平考试 平衡常数 定性 定量 工业生产 

分 类 号：G634.8[文化科学—教育学]