water of crystallization

简明释义

结晶水

英英释义

例句

1.The formula for copper sulfate is CuSO4·5H2O, indicating that it contains five molecules of water of crystallization (结晶水).

铜硫酸盐的化学式是CuSO4·5H2O，这表明它含有五个分子的结晶水。

2.In the laboratory, we often measure the amount of water of crystallization (结晶水) to determine the purity of a sample.

在实验室中，我们经常测量结晶水（结晶水）的量来确定样品的纯度。

3.Different hydrates have varying amounts of water of crystallization (结晶水), which affects their physical properties.

不同的水合物具有不同数量的结晶水（结晶水），这会影响它们的物理性质。

4.When heated, the water of crystallization (结晶水) in hydrated salts can evaporate, causing the salt to lose its structure.

加热时，水合盐中的结晶水（结晶水）会蒸发，使盐失去其结构。

5.Sodium carbonate decahydrate has ten molecules of water of crystallization (结晶水), making it a highly soluble compound.

十水合碳酸钠具有十个分子的结晶水（结晶水），使其成为一种高溶解度的化合物。

作文

The concept of water of crystallization refers to the water molecules that are chemically bonded within the crystalline structure of certain salts and minerals. This phenomenon is particularly significant in the field of chemistry, as it affects the properties and behavior of various compounds. Understanding water of crystallization is essential for students and professionals alike, as it plays a crucial role in both theoretical and practical applications.When salts crystallize from a solution, they often incorporate water molecules into their structure. These water molecules are not merely trapped within the crystals; instead, they are an integral part of the crystal lattice. For instance, the mineral gypsum, which is composed of calcium sulfate, contains two molecules of water of crystallization for every formula unit. This incorporation of water gives gypsum its unique physical properties, such as its solubility and hardness.The amount of water of crystallization present can vary widely among different substances. Some salts, like sodium carbonate (washing soda), can have ten molecules of water associated with each formula unit, while others may have none at all. This variation is critical when considering the use of these compounds in industrial applications, where precise measurements and formulations are necessary.In laboratory settings, understanding water of crystallization is vital for accurately determining the composition of a compound. Chemists often perform experiments to quantify the amount of water present in a sample. By heating a hydrated salt, for example, one can drive off the water and weigh the anhydrous residue. This process allows scientists to calculate the number of water molecules associated with the salt, providing insight into its chemical behavior and potential applications.Moreover, the presence of water of crystallization can influence the thermal stability of a compound. Hydrated salts tend to decompose at different temperatures than their anhydrous counterparts, which can be critical when these materials are used in processes that involve heat. For example, in the construction industry, the presence of water in gypsum can affect the setting time of plaster, impacting the overall quality and durability of the final product.In addition to its importance in chemistry, water of crystallization has implications in various fields such as geology and environmental science. In geological formations, the presence of hydrated minerals can indicate the history of water activity in an area, providing valuable information about past climates and geological processes. Similarly, in environmental studies, understanding how water interacts with minerals can help in assessing soil health and the movement of nutrients.In conclusion, the study of water of crystallization is a multifaceted topic that spans across various scientific disciplines. Its significance cannot be overstated, as it influences the properties of materials, their applications, and our understanding of natural processes. Whether in a laboratory, an industrial setting, or in nature, water of crystallization remains a fundamental aspect of chemistry that continues to intrigue and challenge scientists. As we delve deeper into this subject, we uncover not only the complexities of chemical bonding but also the broader implications of water's role in the crystallization process. This knowledge ultimately enhances our ability to manipulate materials for innovative uses and fosters a greater appreciation for the intricate connections between water and the solid forms it helps create.

“结晶水”这一概念是指在某些盐类和矿物的晶体结构中化学结合的水分子。这一现象在化学领域尤为重要，因为它影响着各种化合物的性质和行为。理解结晶水对学生和专业人士来说至关重要，因为它在理论和实际应用中都发挥着关键作用。当盐从溶液中结晶时，它们通常会将水分子纳入其结构。这些水分子不仅仅被困在晶体内，而是晶体晶格的重要组成部分。例如，矿物石膏由硫酸钙组成，每个化学式单元包含两个结晶水分子。这种水的结合赋予了石膏其独特的物理特性，如溶解性和硬度。存在的结晶水量在不同物质之间可能差异很大。一些盐类，如碳酸钠（洗涤碱），每个化学式单元可以有十个水分子，而其他盐类则可能没有。这种变化在考虑这些化合物在工业应用中的使用时至关重要，因为精确的测量和配方是必要的。在实验室环境中，理解结晶水对于准确确定化合物的组成至关重要。化学家们常常进行实验以量化样品中存在的水的量。例如，通过加热水合盐，可以驱赶水分并称量无水残留物。这个过程使科学家能够计算与盐相关的水分子数量，从而提供关于其化学行为和潜在应用的见解。此外，结晶水的存在可以影响化合物的热稳定性。水合盐的分解温度往往与其无水对应物不同，这在这些材料用于涉及热的过程中时可能至关重要。例如，在建筑行业，石膏中水的存在可以影响石膏的凝固时间，从而影响最终产品的整体质量和耐久性。除了在化学中的重要性外，结晶水在地质学和环境科学等多个领域也具有重要意义。在地质构造中，水合矿物的存在可以指示一个地区的水活动历史，为过去的气候和地质过程提供有价值的信息。同样，在环境研究中，理解水如何与矿物相互作用可以帮助评估土壤健康和养分的运动。总之，研究结晶水是一个多方面的话题，跨越多个科学学科。它的重要性不容小觑，因为它影响材料的性质、应用以及我们对自然过程的理解。无论是在实验室、工业环境还是自然界，结晶水始终是化学的基本方面，继续引起科学家的兴趣和挑战。随着我们深入研究这一主题，我们不仅揭示了化学键合的复杂性，还揭示了水在结晶过程中的作用的更广泛影响。这一知识最终增强了我们操纵材料用于创新用途的能力，并促使我们更好地欣赏水与其帮助创造的固态形式之间的复杂联系。