引用本文:
邵爽, 俞庆森, 方文军, 林瑞森. 羧酸气体热容的测定与研究[J]. 物理化学学报,
1996, 12(02): 169-172.
doi:
10.3866/PKU.WHXB19960216
Citation: Shao Shuang, Yu Qing-Sen, Fang Wen-Jun, Lin Rui-Sen. Measurement and Study on the Vapor Heat Capacities of Carboxylic Acids[J]. Acta Physico-Chimica Sinica, 1996, 12(02): 169-172. doi: 10.3866/PKU.WHXB19960216
Citation: Shao Shuang, Yu Qing-Sen, Fang Wen-Jun, Lin Rui-Sen. Measurement and Study on the Vapor Heat Capacities of Carboxylic Acids[J]. Acta Physico-Chimica Sinica, 1996, 12(02): 169-172. doi: 10.3866/PKU.WHXB19960216
English
Measurement and Study on the Vapor Heat Capacities of Carboxylic Acids
Abstract:
The vapor heat capacities of acetic acid, propionic acid, n-butyric acid at various temperatures under atmospheric pressure were measured with a multicomponent vapor flow calorimeter. The results show that the vapor heat capacities of carboxylic acids are much larger than those of the ideal gases at the same temperature and that the vapor heat capacities decrease with increasing temperature. The effect of association in the vapor phase on the vapor heat capacity was studied.
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Key words:
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Carboxylic acid
- / Calorimetry
- / Vapor heat capacity
- / Association
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