partial molar quantity

简明释义

偏摩尔数量

英英释义

例句

1.Understanding partial molar quantities 偏摩尔量 is crucial for predicting the behavior of mixtures in chemical engineering.

理解偏摩尔量 偏摩尔量对于预测化工混合物的行为至关重要。

2.The partial molar quantity 偏摩尔量 of a solute can be calculated from the change in Gibbs free energy when the concentration changes.

可以通过当浓度变化时吉布斯自由能的变化来计算溶质的偏摩尔量 偏摩尔量。

3.The partial molar quantity 偏摩尔量 of water in a solution can indicate how much it contributes to the overall properties of the mixture.

溶液中水的偏摩尔量 偏摩尔量可以指示它对混合物整体性质的贡献程度。

4.When calculating partial molar quantities 偏摩尔量, one must consider the interactions between different species in the solution.

在计算偏摩尔量 偏摩尔量时，必须考虑溶液中不同物种之间的相互作用。

5.In thermodynamics, the concept of partial molar quantity 偏摩尔量 helps us understand how the properties of a solution change as components are added.

在热力学中，偏摩尔量 偏摩尔量的概念帮助我们理解当添加组分时溶液的性质如何变化。

作文

Understanding the concept of partial molar quantity is essential in the field of thermodynamics and physical chemistry. It provides insight into how different components in a mixture contribute to the overall properties of that mixture. The partial molar quantity refers to the change in a property of a system when an infinitesimal amount of a component is added, while keeping the amounts of all other components constant. This concept is crucial when dealing with solutions, as it allows chemists to understand how the addition of one substance affects the system's behavior without altering the concentrations of other substances present.For instance, consider a solution composed of two solutes, A and B. When we add a small amount of solute A to this solution, the partial molar quantity of A can be defined as the change in some property, such as volume or Gibbs free energy, per unit increase in the amount of A, while the amount of B remains fixed. This helps us to quantify how solute A influences the overall characteristics of the solution. Similarly, we can define a partial molar quantity for solute B, which would describe the impact of B on the solution's properties.The importance of partial molar quantities extends beyond mere academic interest; they are fundamental in practical applications such as chemical engineering, environmental science, and biochemistry. For example, in chemical engineering, understanding the partial molar quantity of reactants and products in a reaction mixture can help engineers design more efficient reactors by optimizing conditions to favor desired reactions. In environmental science, the partial molar quantity can be applied to study pollutant behaviors in mixtures, aiding in the development of strategies to mitigate their effects.Moreover, the partial molar quantity is not limited to just concentration changes; it also encompasses temperature and pressure variations. This means that the partial molar quantity can provide a comprehensive understanding of how different factors interplay in a solution. For instance, if we were to increase the temperature of a solution, the partial molar quantity could indicate how the solubility of a particular solute changes, which is vital information for both laboratory experiments and industrial processes.In conclusion, the concept of partial molar quantity is a powerful tool in understanding the complexities of mixtures in chemistry. It allows scientists and engineers to dissect the contributions of individual components within a mixture, providing clarity and direction in both theoretical studies and practical applications. By mastering this concept, one gains a deeper appreciation of how substances interact, which is fundamental to advancements in various scientific fields. As we continue to explore the intricacies of chemical systems, the partial molar quantity will undoubtedly remain a cornerstone of our understanding, guiding future innovations and discoveries.

理解偏摩尔量的概念在热力学和物理化学领域至关重要。它提供了有关混合物中不同组分如何影响整体性质的见解。偏摩尔量是指在向系统中添加一个无穷小量的组分时，某一性质的变化，同时保持其他所有组分的数量不变。这个概念在处理溶液时尤为重要，因为它使化学家能够理解添加一种物质如何影响系统的行为，而不改变其他物质的浓度。例如，考虑一个由两个溶质A和B组成的溶液。当我们向该溶液中添加少量溶质A时，A的偏摩尔量可以定义为每单位A的增加所引起的某一性质（如体积或吉布斯自由能）的变化，同时B的量保持不变。这有助于我们量化溶质A对溶液整体特性的影响。同样，我们也可以为溶质B定义偏摩尔量，这将描述B对溶液性质的影响。偏摩尔量的重要性不仅限于学术兴趣；它在化工、环境科学和生物化学等实际应用中都是基础。例如，在化工中，了解反应混合物中反应物和产品的偏摩尔量可以帮助工程师通过优化条件来设计更高效的反应器，以促进所需反应。在环境科学中，偏摩尔量可用于研究混合物中污染物的行为，帮助制定减轻其影响的策略。此外，偏摩尔量不仅限于浓度变化；它还包含温度和压力的变化。这意味着偏摩尔量可以提供关于不同因素在溶液中如何相互作用的全面理解。例如，如果我们提高溶液的温度，偏摩尔量可以指示某一特定溶质的溶解度如何变化，这对于实验室实验和工业过程都是至关重要的信息。总之，偏摩尔量的概念是理解化学混合物复杂性的强大工具。它使科学家和工程师能够剖析混合物中各个组分的贡献，为理论研究和实际应用提供了清晰的方向。掌握这一概念，可以更深入地理解物质之间的相互作用，这对于各个科学领域的进步都是基础。随着我们继续探索化学系统的复杂性，偏摩尔量无疑将继续作为我们理解的基石，指导未来的创新和发现。