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Citation: Shaofen Yu, Qian Zhao, Youqing He, Gang Liu, Qisheng Song, Shiling Yuan. 旋光度法测蔗糖水解反应速率常数实验的热力学探究[J]. University Chemistry, ;2021, 36(4): 200506. doi: 10.3866/PKU.DXHX202005064 shu

旋光度法测蔗糖水解反应速率常数实验的热力学探究

1.
School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;
2.
High School Attached to Shandong Normal University, Jinan 250014, China

Corresponding author: Gang Liu, sdu_lg@sdu.edu.cn
Received Date: 24 May 2020

旋光法测蔗糖水解速率常数是大学物理化学实验中非常经典的化学动力学实验之一。本文对该实验项目进行了深入讨论，探讨了蔗糖水解体系旋光度的加和性、蔗糖水解反应的可逆性以及温度对可逆反应平衡的影响，验证了当前实验教学中将蔗糖水解反应近似为一级反应、忽略蔗糖水解反应的可逆性、蔗糖完全水解溶液的实验条件等内容，拓展了蔗糖水解实验的教学内容，加深了学生对旋光度、化学反应级数、热力学动态平衡等知识的理解。
- Sucrose hydrolysis,
- Reversible reaction,
- Reaction order
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