dissociation energy

简明释义

离解能

英英释义

例句

1.In molecular physics, understanding the dissociation energy is crucial for predicting reaction outcomes.

在分子物理学中，理解dissociation energy对于预测反应结果至关重要。

2.The dissociation energy of hydrogen bonds is relatively low compared to covalent bonds.

与共价键相比，氢键的dissociation energy相对较低。

3.The higher the dissociation energy, the stronger the bond between atoms.

越高的dissociation energy，原子之间的键就越强。

4.Calculating the dissociation energy helps chemists design more effective drugs.

计算dissociation energy有助于化学家设计更有效的药物。

5.The dissociation energy of a chemical bond determines its stability.

化学键的dissociation energy决定了它的稳定性。

作文

Dissociation energy is a fundamental concept in the field of chemistry and physics, referring to the amount of energy required to break a bond between two atoms in a molecule. Understanding dissociation energy (解离能) is crucial for various applications, including the study of chemical reactions, molecular stability, and even the behavior of materials under different conditions.When we think about molecules, we often envision them as stable entities held together by bonds. These bonds are formed due to the attractive forces between atoms, which can be ionic, covalent, or metallic in nature. However, these bonds are not indestructible; they can be broken when enough energy is supplied. This energy needed to break a bond is what we refer to as dissociation energy (解离能). The concept of dissociation energy (解离能) is essential in understanding why certain reactions occur and others do not. For instance, consider the combustion of hydrocarbons. The bonds within the hydrocarbon molecules must be broken before new bonds can form with oxygen to produce carbon dioxide and water. The energy required to break these initial bonds is represented by the dissociation energy (解离能). If the energy provided by the heat of combustion exceeds this dissociation energy (解离能), the reaction will proceed; if not, the reaction will not occur.Another important aspect of dissociation energy (解离能) is its role in determining the stability of molecules. Generally, a higher dissociation energy (解离能) indicates a more stable bond. For example, the triple bond in nitrogen gas (N2) has a very high dissociation energy (解离能), making it a very stable molecule. In contrast, the single bond in hydrogen gas (H2) has a lower dissociation energy (解离能), indicating that it is less stable and more reactive. This principle helps chemists predict the reactivity of different substances and design reactions accordingly.In addition to its theoretical implications, dissociation energy (解离能) has practical applications in industries such as pharmaceuticals, materials science, and environmental science. For instance, in drug design, understanding the dissociation energy (解离能) of bonds within drug molecules can help scientists create more effective medications that interact better with biological targets. Similarly, in materials science, knowing the dissociation energy (解离能) of different materials can guide the development of stronger and more durable products.Overall, the concept of dissociation energy (解离能) is vital for grasping the intricacies of chemical interactions and the stability of compounds. As we advance in our understanding of chemistry and physics, the importance of dissociation energy (解离能) will continue to grow, influencing both scientific research and practical applications across various fields. By studying dissociation energy (解离能), we gain insights into the fundamental processes that govern the behavior of matter, ultimately enhancing our ability to manipulate and utilize substances in innovative ways.

解离能是化学和物理学领域的一个基本概念，指的是破坏分子中两个原子之间的键所需的能量。理解解离能（dissociation energy）对各种应用至关重要，包括化学反应的研究、分子稳定性，甚至材料在不同条件下的行为。当我们想到分子时，常常会将它们视为由键连接在一起的稳定实体。这些键由于原子之间的吸引力而形成，这种吸引力可以是离子、共价或金属性质。然而，这些键并不是不可摧毁的；当提供足够的能量时，它们可以被打破。打破一个键所需的能量就是我们所称的解离能（dissociation energy）。解离能（dissociation energy）的概念对于理解某些反应为何发生而其他反应为何不发生至关重要。例如，考虑碳氢化合物的燃烧。在碳氢化合物分子内的键必须被打破，然后才能与氧气形成新的键，产生二氧化碳和水。打破这些初始键所需的能量就是解离能（dissociation energy）。如果燃烧释放的热量超过这个解离能（dissociation energy），反应就会进行；否则，反应将不会发生。解离能（dissociation energy）的另一个重要方面是它在决定分子稳定性中的作用。通常，更高的解离能（dissociation energy）表示更稳定的键。例如，氮气（N2）中的三重键具有非常高的解离能（dissociation energy），使其成为一种非常稳定的分子。相比之下，氢气（H2）中的单键具有较低的解离能（dissociation energy），表明它不太稳定且更具反应性。这一原则帮助化学家预测不同物质的反应性，并相应地设计反应。除了理论意义外，解离能（dissociation energy）在制药、材料科学和环境科学等行业也有实际应用。例如，在药物设计中，了解药物分子内部键的解离能（dissociation energy）可以帮助科学家创造更有效的药物，以更好地与生物靶点相互作用。同样，在材料科学中，了解不同材料的解离能（dissociation energy）可以指导更强大和耐用产品的发展。总的来说，解离能（dissociation energy）的概念对于掌握化学相互作用和化合物稳定性的复杂性至关重要。随着我们对化学和物理学理解的深入，解离能（dissociation energy）的重要性将继续增长，影响各个领域的科学研究和实际应用。通过研究解离能（dissociation energy），我们获得了对控制物质行为的基本过程的洞察，最终增强了我们以创新方式操纵和利用物质的能力。