dipole molecule

简明释义

偶极分子

英英释义

例句

1.The polarity of a dipole molecule 偶极分子 allows it to interact with other polar substances, making it essential in biological systems.

一个偶极分子 dipole molecule的极性使其能够与其他极性物质相互作用，这在生物系统中至关重要。

2.Ammonia is another example of a dipole molecule 偶极分子 due to its trigonal pyramidal shape.

氨是另一个偶极分子 dipole molecule的例子，因为它呈三角锥形状。

3.Water is a common example of a dipole molecule 偶极分子 due to its bent shape and the difference in electronegativity between oxygen and hydrogen.

水是一个常见的偶极分子 dipole molecule，因为它的弯曲形状以及氧和氢之间的电负性差异。

4.In chemistry, understanding a dipole molecule 偶极分子 helps predict how substances will behave in different solvents.

在化学中，理解偶极分子 dipole molecule有助于预测物质在不同溶剂中的行为。

5.The dipole molecule 偶极分子 concept is crucial for understanding molecular interactions in solutions.

理解偶极分子 dipole molecule的概念对于理解溶液中的分子相互作用至关重要。

作文

Understanding the concept of a diple molecule is crucial in the study of chemistry and molecular interactions. A diple molecule refers to a molecule that has a dipole moment due to the presence of polar bonds. This means that there is an uneven distribution of electron density across the molecule, resulting in a positive and a negative end. This characteristic plays a significant role in determining how molecules interact with each other, especially in solutions and biological systems.In contrast to nonpolar molecules, which have symmetrical electron distributions and do not exhibit a dipole moment, diple molecules are essential for understanding various chemical phenomena. For instance, water (H2O) is a classic example of a diple molecule. The oxygen atom is more electronegative than the hydrogen atoms, causing the electrons to be pulled closer to the oxygen. This results in a partial negative charge on the oxygen and a partial positive charge on the hydrogens, creating a dipole.The significance of diple molecules extends beyond simple molecular interactions. In biological systems, the polarity of diple molecules is vital for the formation of cell membranes and the behavior of proteins. For example, the hydrophilic (water-attracting) and hydrophobic (water-repelling) properties of diple molecules influence how substances dissolve in water, how enzymes function, and how cells communicate.Moreover, the presence of diple molecules affects physical properties such as boiling and melting points. Molecules with strong dipole-dipole interactions tend to have higher boiling points compared to nonpolar molecules of similar size. This is because the positive and negative ends of diple molecules attract each other, requiring more energy to separate them during phase changes.In conclusion, a thorough understanding of diple molecules is fundamental for anyone studying chemistry or related fields. Their unique properties and behaviors are pivotal in many scientific applications, from pharmaceuticals to environmental science. As we continue to explore the complexities of molecular interactions, the role of diple molecules will remain a key focus, influencing our understanding of both the microscopic and macroscopic worlds around us.

理解偶极分子的概念对于化学和分子相互作用的研究至关重要。偶极分子是指由于极性键的存在而具有偶极矩的分子。这意味着电子密度在分子中分布不均，导致分子的一端带有正电荷，另一端带有负电荷。这一特性在决定分子之间的相互作用时起着重要作用，尤其是在溶液和生物系统中。与没有极性的分子相比，后者具有对称的电子分布，并且不表现出偶极矩，偶极分子对于理解各种化学现象至关重要。例如，水（H2O）是一个经典的偶极分子示例。氧原子的电负性高于氢原子，导致电子更靠近氧原子。这使得氧原子带有部分负电荷，而氢原子带有部分正电荷，从而形成了一个偶极。偶极分子的重要性不仅限于简单的分子相互作用。在生物系统中，偶极分子的极性对于细胞膜的形成和蛋白质的行为至关重要。例如，偶极分子的亲水性（吸水）和疏水性（排水）特性影响物质在水中的溶解方式、酶的功能以及细胞之间的通讯。此外，偶极分子的存在还会影响物理性质，例如沸点和熔点。具有强偶极-偶极相互作用的分子往往比相似大小的非极性分子具有更高的沸点。这是因为偶极分子的正负两端相互吸引，需要更多的能量才能在相变过程中将它们分开。总之，深入理解偶极分子对于任何学习化学或相关领域的人来说都是基础。它们独特的性质和行为在许多科学应用中至关重要，从制药到环境科学。随着我们继续探索分子相互作用的复杂性，偶极分子的角色将保持关键焦点，影响我们对周围微观和宏观世界的理解。