molecular volume

简明释义

克分子体积

英英释义

例句

1.By knowing the molecular volume, we can predict how a substance will behave in different environments.

通过了解分子体积，我们可以预测物质在不同环境中的行为。

2.Researchers often compare the molecular volume of different compounds to find suitable candidates for reactions.

研究人员经常比较不同化合物的分子体积以寻找合适的反应候选者。

3.The molecular volume of water is crucial for understanding its unique properties.

水的分子体积对于理解其独特性质至关重要。

4.The calculation of molecular volume helps chemists understand the properties of substances.

计算分子体积有助于化学家理解物质的性质。

5.In drug design, the molecular volume can influence the drug's efficacy.

在药物设计中，分子体积会影响药物的有效性。

作文

The concept of molecular volume plays a crucial role in the field of chemistry and material science. Understanding molecular volume is essential for predicting how substances will behave under different conditions, which is particularly important in the development of new materials and pharmaceuticals. Molecular volume refers to the amount of space that one mole of a substance occupies. It is typically expressed in cubic centimeters per mole (cm³/mol) and can vary significantly between different compounds due to their unique molecular structures.To grasp the significance of molecular volume, consider the relationship between molecular structure and physical properties. For instance, larger molecules tend to have greater molecular volumes because they contain more atoms and thus occupy more space. This characteristic can affect various properties such as boiling point, melting point, and solubility. For example, hydrocarbons with larger molecular volumes generally exhibit higher boiling points compared to their smaller counterparts due to increased van der Waals forces among the larger molecules.Furthermore, molecular volume is vital in the context of chemical reactions. The spatial arrangement of atoms within a molecule can influence how easily it interacts with other molecules. In reactions where reactants must collide to form products, the molecular volume can determine the likelihood of such collisions occurring. A larger molecular volume may hinder the ability of molecules to come into close proximity, thereby slowing down reaction rates.In addition to its implications in chemistry, molecular volume also has applications in biochemistry and pharmacology. When designing drugs, scientists must consider how the molecular volume of a potential drug candidate will affect its absorption and distribution within the body. Drugs with optimal molecular volumes are more likely to be effective because they can navigate biological membranes and reach their target sites more efficiently.Moreover, the concept of molecular volume is also used in the study of gases. According to the ideal gas law, the volume occupied by a gas is proportional to the number of moles present. Thus, understanding the molecular volume of gases allows scientists to predict how changes in temperature and pressure will affect gas behavior. This knowledge is crucial in fields ranging from environmental science to engineering.In conclusion, the significance of molecular volume extends beyond mere numbers; it encompasses a fundamental understanding of how substances interact and behave in various environments. By studying molecular volume, scientists can make informed predictions about the properties of materials, optimize drug design, and understand the principles governing gas behavior. As research continues to advance, the importance of molecular volume will undoubtedly grow, highlighting its role as a cornerstone of modern chemistry and related fields.

分子体积的概念在化学和材料科学领域中起着至关重要的作用。理解分子体积对于预测物质在不同条件下的行为至关重要，这在新材料和药物的开发中尤为重要。分子体积是指一摩尔物质所占据的空间量。它通常以立方厘米每摩尔（cm³/mol）表示，并且由于不同化合物的独特分子结构而可能有显著差异。为了掌握分子体积的重要性，可以考虑分子结构与物理性质之间的关系。例如，较大的分子往往具有更大的分子体积，因为它们包含更多的原子，因此占据更多的空间。这一特性会影响各种属性，如沸点、熔点和溶解度。例如，具有较大分子体积的烃类通常表现出比其较小的对应物更高的沸点，这是因为较大分子之间的范德华力增强。此外，分子体积在化学反应中也至关重要。分子内原子的空间排列会影响它们与其他分子的相互作用。在反应中，反应物必须碰撞才能形成产物，分子体积可以决定这种碰撞发生的可能性。较大的分子体积可能会妨碍分子接近，从而减缓反应速率。除了在化学中的应用外，分子体积在生物化学和药理学中也有广泛应用。在设计药物时，科学家必须考虑潜在药物候选者的分子体积将如何影响其在体内的吸收和分布。具有最佳分子体积的药物更有可能有效，因为它们能够更高效地穿越生物膜并到达目标部位。此外，分子体积的概念也用于气体研究。根据理想气体定律，气体所占据的体积与存在的摩尔数成正比。因此，理解气体的分子体积使科学家能够预测温度和压力变化将如何影响气体行为。这一知识在环境科学和工程等多个领域都是至关重要的。总之，分子体积的重要性不仅限于数字；它涵盖了对物质在各种环境中相互作用和行为的基本理解。通过研究分子体积，科学家可以对材料的性质做出明智的预测，优化药物设计，并理解气体行为的基本原理。随着研究的不断进展，分子体积的重要性无疑会不断增长，突显其作为现代化学及相关领域基石的角色。