Heat capacities and thermodynamic properties of 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid
文献类型：期刊论文
| 作者 | Xue Bin1; Wang Jianya1; Tan Zhicheng1; Wu Tonghao1 |
| 刊名 | CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
 |
| 出版日期 | 2007 |
| 卷号 | 23期号:4页码:460-464 |
| 关键词 | 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid adiabatic calorimetry heat capacity thermodynamic function thermal decomposition |
| ISSN号 | 1005-9040 |
| 英文摘要 | The heat capacities of 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid(a racemic mixture, molar ratio of cis-/trans-structure is 35/65) in a temperature range from 78 to 389 K were measured with a precise automatic adiabatic calorimeter. The sample was prepared with a purity of 98. 75% (molar fraction). A solid-liquid fusion phase transition was observed in the experimental temperature range. The melting point, T-m., enthalpy and entropy of fusion, (Delta)f(us)H(m), Delta S-fus(m), of the acid were determined to be (331.48 +/- 0.03) K, (16.321 +/- 0.031) kJ/mol, and (49.24 +/- 0.19) J/(K center dot mol), respectively. The thermodynamic functions of the sample, H-T - H-298.15, ST - S-298.15 and G(T) - G(298.15), were reported at a temperature intervals of 5 K. The thermal decomposition of the sample was studied using thermogravimetric(TG) analytic technique, the thermal decomposition starts at ca. 418 K and ends at ca. 544 K, the maximum decomposition rate was obtained at 510 K. The order of reaction, preexponential factor and activation energy are n 0.23, A = 7.3 x 10(7) min E = 70.64 kJ/mol, respectively. |
| 语种 | 英语 |
| CSCD记录号 | CSCD:3005694 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/141969]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 作者单位 | 1.中国科学院金属研究所 2.中国科学院 3.吉林大学 |
| 推荐引用方式 GB/T 7714 | Xue Bin,Wang Jianya,Tan Zhicheng,et al. Heat capacities and thermodynamic properties of 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid[J]. CHEMICAL RESEARCH IN CHINESE UNIVERSITIES,2007,23(4):460-464. |
| APA | Xue Bin,Wang Jianya,Tan Zhicheng,&Wu Tonghao.(2007).Heat capacities and thermodynamic properties of 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid.CHEMICAL RESEARCH IN CHINESE UNIVERSITIES,23(4),460-464. |
| MLA | Xue Bin,et al."Heat capacities and thermodynamic properties of 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid".CHEMICAL RESEARCH IN CHINESE UNIVERSITIES 23.4(2007):460-464. |
入库方式： OAI收割
来源：金属研究所
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