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利用罗济卡-多莫尔斯基基团贡献法估算了戊二酸、1,2-环戊二醇和戊二醛液态的摩尔等压热容,利用米田基团贡献法估算了298.15 K时气态戊二酸、1,2-环戊二醇和戊二醛的标准生成焓和标准熵,利用杜克罗斯基团贡献法估算了戊二酸、1,2-环戊二醇和戊二醛的标准汽化焓。结合其它的热力学数据,在温度范围为273.15 K~373.15 K内,计算了环戊烯氧化合成戊二酸涉及的各反应中反应焓变、反应吉布斯自由能变和标准平衡常数。计算结果表明,在273.15 K~373.15 K范围内各反应均为放热反应,反应在热力学上可自发进行的反应,当达到平衡时各反应均几乎可以进行到底。
The molar isobaric heat capacities of glutaric acid, 1,2-cyclopentanediol and glutaraldehyde were estimated using the Rozica-Dommorki group contribution method, and the liquid isobaric heat capacity was estimated using the rice field group contribution method at 298.15 K The standard enthalpies of formation and standard entropies of gaseous glutaric acid, 1,2-cyclopentanediol and glutaraldehyde were estimated using the Dukeros group contribution method for the determination of glutaric acid, 1,2-cyclopentanediol and glutaraldehyde Standard enthalpy of vaporization. Combined with other thermodynamic data, the enthalpy change of reaction, free Gibbs energy of reaction and standard equilibrium constant of cyclopentane were calculated in the temperature range of 273.15 K ~ 373.15 K. The calculated results show that all the reactions in the range of 273.15 K ~ 373.15 K are exothermic reactions, and the reactions can proceed spontaneously in thermodynamics. When the equilibrium is reached, the reactions can proceed almost to the end.