molar conductivity

简明释义

克分子电导率

英英释义

例句

1.The molar conductivity of a solution is crucial for understanding its ionic strength.

溶液的摩尔电导率对于理解其离子强度至关重要。

2.The molar conductivity of strong electrolytes is generally higher than that of weak electrolytes.

强电解质的摩尔电导率通常高于弱电解质。

3.In electrochemistry, measuring the molar conductivity can help determine the concentration of ions in a solution.

在电化学中，测量摩尔电导率可以帮助确定溶液中离子的浓度。

4.By calculating the molar conductivity, we can assess the purity of the electrolyte used in batteries.

通过计算摩尔电导率，我们可以评估用于电池的电解质的纯度。

5.Temperature affects the molar conductivity of solutions significantly.

温度显著影响溶液的摩尔电导率。

作文

Molar conductivity, represented by the symbol Λ, is a fundamental concept in physical chemistry that describes how well an electrolyte conducts electricity in solution. This property is essential for understanding the behavior of ionic compounds in various solvents, particularly water. To grasp the significance of molar conductivity (摩尔电导率), one must first understand its relationship with concentration and temperature.When an ionic compound dissolves in a solvent, it dissociates into its constituent ions. These ions are charged particles that can move freely in the solution, thus allowing the solution to conduct electricity. The molar conductivity is defined as the conductivity of an electrolyte solution divided by its molar concentration. Mathematically, it can be expressed as: Λ = κ / C where κ (kappa) represents the conductivity of the solution, and C is the molar concentration of the electrolyte. This formula highlights that molar conductivity is directly related to the conductivity of the solution and inversely related to the concentration of the solute.As the concentration of an electrolyte increases, the molar conductivity typically changes. In dilute solutions, the molar conductivity tends to increase with dilution because the ions have more space to move without encountering each other. However, at higher concentrations, ion interactions become significant, leading to a decrease in molar conductivity due to increased ion pairing and reduced mobility.Temperature also plays a crucial role in determining molar conductivity. Generally, as the temperature rises, the viscosity of the solvent decreases, allowing ions to move more freely. Consequently, the molar conductivity of an electrolyte solution typically increases with temperature. This relationship is vital for applications in electrochemistry and various industrial processes.Understanding molar conductivity is not only important for academic purposes but also has practical implications in various fields. For instance, in the design of batteries, knowing the molar conductivity of the electrolyte can help optimize performance and efficiency. Similarly, in environmental science, measuring the molar conductivity of water samples can provide insights into the presence of pollutants or dissolved salts.In conclusion, molar conductivity (摩尔电导率) is a key property that reflects the ability of an electrolyte solution to conduct electricity. It is influenced by factors such as concentration and temperature, and its understanding is crucial for both theoretical studies and practical applications in chemistry and related fields. By mastering the concept of molar conductivity, students and professionals alike can better appreciate the complexities of ionic solutions and their behaviors in different environments.

摩尔电导率（molar conductivity）是物理化学中的一个基本概念，描述了电解质在溶液中导电的能力。这一性质对于理解离子化合物在各种溶剂中的行为尤为重要，特别是在水中。要掌握摩尔电导率的意义，首先必须了解它与浓度和温度之间的关系。当离子化合物溶解在溶剂中时，它会解离成其组成离子。这些离子是带电粒子，可以在溶液中自由移动，从而使溶液能够导电。摩尔电导率定义为电解质溶液的电导率除以其摩尔浓度。从数学上讲，可以表示为：Λ = κ / C其中κ（kappa）表示溶液的电导率，C是电解质的摩尔浓度。这个公式突显了摩尔电导率与溶液电导率的直接关系，以及与溶质浓度的反比关系。随着电解质浓度的增加，摩尔电导率通常会发生变化。在稀溶液中，随着稀释，摩尔电导率往往会增加，因为离子有更多的空间移动，而不会相互碰撞。然而，在较高浓度下，离子间的相互作用变得显著，导致由于离子配对和迁移能力降低，摩尔电导率下降。温度在决定摩尔电导率方面也起着至关重要的作用。通常情况下，随着温度的升高，溶剂的粘度降低，使离子可以更自由地移动。因此，电解质溶液的摩尔电导率通常会随着温度的升高而增加。这种关系对于电化学和各种工业过程具有重要意义。理解摩尔电导率不仅对学术研究重要，还在多个领域具有实际意义。例如，在电池的设计中，了解电解质的摩尔电导率可以帮助优化性能和效率。同样，在环境科学中，测量水样的摩尔电导率可以提供有关污染物或溶解盐存在的见解。总之，摩尔电导率（molar conductivity）是反映电解质溶液导电能力的关键性质。它受浓度和温度等因素的影响，理解这一点对于化学及相关领域的理论研究和实践应用至关重要。通过掌握摩尔电导率的概念，学生和专业人士可以更好地欣赏离子溶液的复杂性及其在不同环境中的行为。