摘要
通过引入组分B的摩尔重力势能,导出了在重力场中多组分系统的热力学基本方程。定义了重力化学势,据此判断变化的方向和限度。最后列举了重力化学势判据的应用实例:理想气体压力随高度分布公式,溶胶粒子在介质中沉降平衡公式。
Through the introduction of the molar gravitational potential energy for component B,we derive the fundamental thermodynamic equations for a multi-component system in a gravitational field.The gravitational chemical potential is defined,allowing for the determination of the direction and extent of changes.Concluding,we provide application examples of the criteria based on the gravitational chemical potential:the pressure distribution formula for an ideal gas as a function of altitude,and the sedimentation equilibrium formula for sol particles in a medium.
作者
李淑颖
孙文东
Shuying Li;Wendong Sun(Faculty of Chemistry,Northeast Normal University,Changchun 130024,China)
出处
《大学化学》
CAS
2024年第1期359-363,共5页
University Chemistry
关键词
重力场
热力学基本方程
重力化学势
摩尔重力势能
Gravitational field
Basic equation of thermodynamics
Gravitational chemical potential
Molar gravitational potential energy
作者简介
通讯作者:孙文东,Email:sunwd843@nenu.edu.cn。
