equivalent conductance

简明释义

等效电导

英英释义

例句

1.The formula for calculating the total resistance of a parallel circuit involves the reciprocal of the sum of the individual conductances, leading to an understanding of equivalent conductance (等效电导).

并联电路总电阻的计算公式涉及各个电导的倒数之和，这使我们理解了equivalent conductance（等效电导）。

2.The equivalent conductance (等效电导) is particularly useful in predicting how well a solution will conduct electricity.

在预测溶液导电能力方面，equivalent conductance（等效电导）特别有用。

3.The equivalent conductance (等效电导) of a solution can provide insights into the concentration of ions present.

溶液的equivalent conductance（等效电导）可以提供有关存在的离子浓度的见解。

4.To determine the equivalent conductance (等效电导) of a series of solutions, we performed titrations with a conductivity meter.

为了确定一系列溶液的equivalent conductance（等效电导），我们使用电导仪进行了滴定。

5.In electrochemistry, we often measure the equivalent conductance (等效电导) of electrolytes to understand their ionic mobility.

在电化学中，我们常常测量电解质的equivalent conductance（等效电导）以了解其离子迁移率。

作文

In the realm of physical chemistry and electrochemistry, one often encounters the term equivalent conductance, which plays a crucial role in understanding the conductivity of electrolytic solutions. Equivalent conductance (等效电导率) is defined as the conductance of an electrolyte solution divided by the number of equivalents of the solute present in that solution. This concept is vital for chemists and engineers alike, as it helps quantify how well an electrolyte can conduct electricity based on its concentration and the nature of the ions involved.To grasp the significance of equivalent conductance, it is essential to first understand what conductance is. Conductance is a measure of how easily electric current can flow through a material. In the context of solutions, it is influenced by factors such as ion concentration, temperature, and the type of ions present. When an electrolyte is dissolved in water, it dissociates into its constituent ions, which then move freely in the solution, allowing for the conduction of electricity.The concept of equivalent conductance becomes particularly useful when comparing different electrolytes or analyzing their behavior under varying conditions. For instance, two different salts may have the same concentration, but their ability to conduct electricity can differ significantly due to the nature of the ions they produce. By using equivalent conductance, we can standardize these measurements and make meaningful comparisons between different electrolytic solutions.Additionally, equivalent conductance can be affected by dilution. As the concentration of an electrolyte decreases, the interactions between ions also change. In dilute solutions, ions are more likely to move independently, which can lead to an increase in equivalent conductance. This phenomenon is important for chemists to consider when conducting experiments or designing processes that involve electrolytic solutions.Another interesting aspect of equivalent conductance is its relationship with temperature. Generally, as temperature increases, the conductivity of a solution also increases. This is because higher temperatures provide ions with more energy, allowing them to move more freely and collide with other particles less frequently. Therefore, the equivalent conductance of a solution will typically rise with temperature, which is a critical factor in many industrial applications.Understanding equivalent conductance is not only relevant in laboratory settings but also has practical implications in various fields. For example, in environmental science, measuring the equivalent conductance of water samples can help assess the level of pollutants or the presence of certain ions that may indicate water quality. Similarly, in the field of battery technology, knowing the equivalent conductance of the electrolyte used can impact the efficiency and performance of batteries.In conclusion, the term equivalent conductance (等效电导率) encompasses a fundamental concept in electrochemistry that aids in the understanding of how electrolytic solutions conduct electricity. By considering factors such as ion concentration, temperature, and the nature of the ions, scientists and engineers can make informed decisions in both research and practical applications. Mastering the concept of equivalent conductance is essential for anyone working in fields related to chemistry, environmental science, or electrical engineering, as it provides a deeper insight into the behavior of ionic solutions and their ability to conduct electricity effectively.

在物理化学和电化学领域，常常会遇到“等效电导率”这一术语，它在理解电解质溶液的导电性方面起着至关重要的作用。等效电导率（equivalent conductance）被定义为电解质溶液的导电性除以该溶液中溶质的当量数。这一概念对于化学家和工程师来说都至关重要，因为它有助于量化电解质在不同浓度和离子性质下的导电能力。要理解等效电导率的重要性，首先需要了解导电性是什么。导电性是测量电流通过材料的难易程度。在溶液的背景下，它受离子浓度、温度和存在的离子类型等因素的影响。当电解质溶解在水中时，它会解离成其组成离子，这些离子在溶液中自由移动，从而允许电流的传导。等效电导率的概念在比较不同电解质或分析其在不同条件下的行为时尤其有用。例如，两种不同的盐可能具有相同的浓度，但由于它们产生的离子的性质不同，导电能力可能会显著不同。通过使用等效电导率，我们可以标准化这些测量，并对不同电解质溶液进行有意义的比较。此外，等效电导率还会受到稀释的影响。随着电解质浓度的降低，离子之间的相互作用也会发生变化。在稀溶液中，离子更有可能独立移动，这可能导致等效电导率的增加。这一现象对于化学家在进行实验或设计涉及电解质溶液的过程时需要考虑。等效电导率的另一个有趣方面是它与温度的关系。通常情况下，随着温度的升高，溶液的导电性也会增加。这是因为较高的温度使离子获得更多能量，使它们能够更自由地移动，并减少与其他粒子的碰撞。因此，溶液的等效电导率通常会随着温度的升高而上升，这在许多工业应用中都是一个关键因素。理解等效电导率不仅在实验室环境中相关，而且在各个领域都有实际应用。例如，在环境科学中，测量水样的等效电导率可以帮助评估污染物的水平或某些离子的存在，这可能表明水质。同样，在电池技术领域，了解所用电解质的等效电导率可能会影响电池的效率和性能。总之，术语等效电导率（equivalent conductance）涵盖了电化学中的一个基本概念，有助于理解电解质溶液如何导电。通过考虑离子浓度、温度和离子的性质等因素，科学家和工程师可以在研究和实际应用中做出明智的决策。掌握等效电导率的概念对于任何在化学、环境科学或电气工程等相关领域工作的人来说都是必不可少的，因为它提供了对离子溶液行为及其有效导电能力的更深入的见解。