Home

Citation: Dan You, Dianhong Cai, Qingrong Cheng. 化学平衡的近似计算[J]. University Chemistry, ;2022, 37(11): 220301. doi: 10.3866/PKU.DXHX202203015 shu

化学平衡的近似计算

1.
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China;
2.
School of Mathematics, Jilin School of Light Industry, Jilin 132000, Jilin Province, China

Corresponding author: Qingrong Cheng, chengqr383121@sina.com
Received Date: 9 March 2022

水溶液中化学平衡的计算涉及解一元高次方程，在数学上是非常麻烦的事。用起始浓度替代平衡浓度进行近似计算，引起的误差极大。本文阐述了逐步逼近法在水溶液化学平衡计算中的应用条件，预测逼近次数，并提出平衡计算的步骤。最终不利用计算机也能通过几次简单计算使结果准确度达到要求，并通过预测逼近次数减少盲目性。
- Chemical equilibrium calculation,
- Method of successive approximation,
- Approximate calculation,
- Error,
- Predicted approximation times
1. [1]
2. [2]
3. [3]
4. [4]
5. [5]
6. [6]
7. [7]
8. [8]
9. [9]
10. [10]
11. [11]
12. [12]
13. [13]
14. [14]
1. [1]
  Tiejun Su . The Construction and Application of the Calculation Formula for Endpoint Error in Precipitation Titration: A Case Study of the Mohr Method. University Chemistry, 2024, 39(11): 384-387. doi: 10.12461/PKU.DXHX202402039
2. [2]
  Limin Shao , Na Li . A Unified Equation Derived from the Charge Balance Equation for Constructing Acid-Base Titration Curve and Calculating Endpoint Error. University Chemistry, 2024, 39(11): 365-373. doi: 10.3866/PKU.DXHX202401086
3. [3]
  Yujia Luo , Yunpeng Qi , Huiping Xing , Yuhu Li . The Use of Viscosity Method for Predicting the Life Expectancy of Xuan Paper-based Heritage Objects. University Chemistry, 2024, 39(8): 290-294. doi: 10.3866/PKU.DXHX202401037
4. [4]
  Zhenming Xu , Yibo Wang , Zhenhui Liu , Duo Chen , Mingbo Zheng , Laifa Shen . Experimental Design of Computational Materials Science and Computational Chemistry Courses Based on the Bohrium Scientific Computing Cloud Platform. University Chemistry, 2025, 40(3): 36-41. doi: 10.12461/PKU.DXHX202403096
5. [5]
  Hua Hou , Baoshan Wang . Course Ideology and Politics Education in Theoretical and Computational Chemistry. University Chemistry, 2024, 39(2): 307-313. doi: 10.3866/PKU.DXHX202309045
6. [6]
  Liuxie Liu , Jing He , Jiali Du , Shuang Mao , Qianggen Li . Extension of Computational Chemical-Assisted Dipole Moment Measurement Experiment. University Chemistry, 2025, 40(3): 363-370. doi: 10.12461/PKU.DXHX202407108
7. [7]
  Ling Fan , Meili Pang , Yeyun Zhang , Yanmei Wang , Zhenfeng Shang . Quantum Chemistry Calculation Research on the Diels-Alder Reaction of Anthracene and Maleic Anhydride: Introduction to a Computational Chemistry Experiment. University Chemistry, 2024, 39(4): 133-139. doi: 10.3866/PKU.DXHX202309024
8. [8]
  Tingbo Wang , Yao Luo , Bingyan Hu , Ruiyuan Liu , Jing Miao , Huizhe Lu . Quantitative Computational Study on the Claisen Rearrangement Reaction of Allyl Phenyl Ethers: An Introduction to a Computational Chemistry Experiment. University Chemistry, 2024, 39(11): 278-285. doi: 10.12461/PKU.DXHX202403082
9. [9]
  Xueli Mu , Lingli Han , Tao Liu . Quantum Chemical Calculation Study on the E2 Elimination Reaction of Halohydrocarbon: Designing a Computational Chemistry Experiment. University Chemistry, 2025, 40(3): 68-75. doi: 10.12461/PKU.DXHX202404057
10. [10]
  Wenkai Chen , Yunjia Shen , Xiangmeng Kong , Yanli Zeng . Quantum Chemistry Calculation of Key Physical Quantity in Circularly Polarized Luminescence: Introducing an Exploratory Computational Chemistry Experiment. University Chemistry, 2025, 40(3): 83-91. doi: 10.12461/PKU.DXHX202405018
11. [11]
  Yanan Jiang , Yuchen Ma . Brief Discussion on the Electronic Exchange Interaction in Quantum Chemistry Computations. University Chemistry, 2025, 40(3): 10-15. doi: 10.12461/PKU.DXHX202402058
12. [12]
  Hongting Yan , Aili Feng , Rongxiu Zhu , Lei Liu , Dongju Zhang . Reexamination of the Iodine-Catalyzed Chlorination Reaction of Chlorobenzene Using Computational Chemistry Methods. University Chemistry, 2025, 40(3): 16-22. doi: 10.12461/PKU.DXHX202403010
13. [13]
  Aili Feng , Xin Lu , Peng Liu , Dongju Zhang . Computational Chemistry Study of Acid-Catalyzed Esterification Reactions between Carboxylic Acids and Alcohols. University Chemistry, 2025, 40(3): 92-99. doi: 10.12461/PKU.DXHX202405072
14. [14]
  Hong Wu , Yuxi Wang , Hongyan Feng , Xiaokui Wang , Bangkun Jin , Xuan Lei , Qianghua Wu , Hongchun Li . Application of Computational Chemistry in the Determination of Magnetic Susceptibility of Metal Complexes. University Chemistry, 2025, 40(3): 116-123. doi: 10.12461/PKU.DXHX202405141
15. [15]
  Yaqin Zheng , Lian Zhuo , Meng Li , Chunying Rong . Enhancing Understanding of the Electronic Effect of Substituents on Benzene Rings Using Quantum Chemistry Calculations. University Chemistry, 2025, 40(3): 193-198. doi: 10.12461/PKU.DXHX202406119
16. [16]
  Jiabo Huang , Quanxin Li , Zhongyan Cao , Li Dang , Shaofei Ni . Elucidating the Mechanism of Beckmann Rearrangement Reaction Using Quantum Chemical Calculations. University Chemistry, 2025, 40(3): 153-159. doi: 10.12461/PKU.DXHX202405172
17. [17]
  Jiying Liu , Zehua Li , Wenjing Zhang , Donghui Wei . Molecular Orbital and Nucleus-Independent Chemical Shift Calculations for C₆H₆ and B₁₂H₁₂^2-: A Computational Chemistry Experiment. University Chemistry, 2025, 40(3): 186-192. doi: 10.12461/PKU.DXHX202406085
18. [18]
  Hongyi Zhang , Zhihong Shi , Zhijun Zhang . A New Strategy for “De-formulized” Calculation of Dynamic Buffer Capacity in Analytical Chemistry Education. University Chemistry, 2024, 39(3): 390-394. doi: 10.3866/PKU.DXHX202309030
19. [19]
  Hui Li , Jia Nie , Zhongyuan Lü , Hujun Qian , Youliang Zhu , Fuquan Bai , Zexing Qu , Ronglin Zhong . Developing a Lecture Mode for Theoretical and Computational Chemistry Curriculum under the “Modernization of Chinese Education” Initiative. University Chemistry, 2025, 40(3): 1-9. doi: 10.3866/PKU.DXHX202402007
20. [20]
  Huiying Xu , Minghui Liang , Zhi Zhou , Hui Gao , Wei Yi . Application of Quantum Chemistry Computation and Visual Analysis in Teaching of Weak Interactions. University Chemistry, 2025, 40(3): 199-205. doi: 10.12461/PKU.DXHX202407011

Get Citation

PDF

XML

Metrics

PDF Downloads(7)
Abstract views(779)
HTML views(19)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Address：Zhongguancun North First Street 2,100190 Beijing, PR China Tel: +86-010-82449177-888

DownLoad: Full-Size Img PowerPoint

Return