calcium hydride

简明释义

氢化钙

英英释义

例句

1.The reaction of calcium hydride with water produces calcium hydroxide and hydrogen.

与水反应时，氢化钙会生成氢氧化钙和氢气。

2.Safety precautions must be taken when handling calcium hydride due to its reactivity with moisture.

处理氢化钙时必须采取安全预防措施，因为它与水分反应性强。

3.The use of calcium hydride as a reducing agent is common in organic synthesis.

在有机合成中，使用氢化钙作为还原剂是很常见的。

4.When storing calcium hydride, it should be kept in a dry environment to prevent premature reactions.

存储氢化钙时，应保持在干燥环境中，以防止提前反应。

5.In the laboratory, we used calcium hydride to generate hydrogen gas for our experiments.

在实验室中，我们使用氢化钙来产生氢气用于我们的实验。

作文

Calcium hydride, represented chemically as CaH2, is an inorganic compound that plays a significant role in various chemical processes. This compound consists of calcium and hydrogen, where each calcium atom bonds with two hydrogen atoms. The significance of calcium hydride lies not only in its chemical properties but also in its practical applications across different industries. One of the primary uses of calcium hydride is as a reducing agent in organic synthesis. In many chemical reactions, it helps to convert organic compounds into more complex structures by donating hydrogen atoms. This property makes calcium hydride invaluable in the production of various chemicals and pharmaceuticals. For instance, chemists often utilize it to reduce ketones and aldehydes to their corresponding alcohols. Additionally, calcium hydride is used in the production of hydrogen gas. When it reacts with water, it generates hydrogen gas and calcium hydroxide. This reaction can be represented as follows: CaH2 + 2H2O → Ca(OH)2 + H2↑This characteristic is particularly useful in laboratories and industrial settings where hydrogen is required for different applications, such as fuel cells and hydrogenation reactions. Moreover, calcium hydride can serve as a desiccant, meaning it can absorb moisture from the air. This property is crucial in keeping sensitive materials dry and preventing moisture-related damage. In packaging and storage, calcium hydride is often used to maintain an anhydrous environment, especially for hygroscopic substances that easily absorb water. Despite its usefulness, handling calcium hydride requires caution. It is a reactive compound that can release flammable hydrogen gas when it comes into contact with moisture or acids. Therefore, proper safety measures must be taken when working with this compound to avoid any hazardous situations. In conclusion, calcium hydride is a versatile compound with numerous applications in the chemical industry. Its ability to act as a reducing agent, produce hydrogen gas, and function as a desiccant highlights its importance in various chemical processes. As research continues, the potential for new applications of calcium hydride may expand, further solidifying its place in modern chemistry. Understanding the properties and uses of calcium hydride is essential for anyone involved in chemical research or industry, as it opens up pathways for innovation and development in multiple fields.

氢化钙，化学上表示为CaH2，是一种无机化合物，在各种化学过程中起着重要作用。该化合物由钙和氢组成，其中每个钙原子与两个氢原子结合。氢化钙的意义不仅在于其化学性质，还在于其在不同工业中的实际应用。氢化钙的主要用途之一是作为有机合成中的还原剂。在许多化学反应中，它通过提供氢原子帮助将有机化合物转化为更复杂的结构。这种特性使得氢化钙在各种化学和药品生产中变得不可或缺。例如，化学家们经常利用它将酮和醛还原为相应的醇。此外，氢化钙还用于氢气的生产。当它与水反应时，会生成氢气和氢氧化钙。这个反应可以表示为：CaH2 + 2H2O → Ca(OH)2 + H2↑这一特性在实验室和工业环境中尤其有用，因为在不同应用中需要氢气，例如燃料电池和氢化反应。此外，氢化钙可以作为干燥剂，这意味着它可以从空气中吸收水分。这一特性对于保持敏感材料的干燥和防止水分相关损害至关重要。在包装和储存中，氢化钙通常用于维持无水环境，特别是对于容易吸湿的物质。尽管其用途广泛，但处理氢化钙时需要谨慎。它是一种反应性化合物，当与水或酸接触时，可能释放易燃的氢气。因此，在处理该化合物时必须采取适当的安全措施，以避免任何危险情况。总之，氢化钙是一种多功能化合物，在化学工业中具有众多应用。其作为还原剂、产生氢气和作为干燥剂的能力突显了它在各种化学过程中的重要性。随着研究的持续进行，氢化钙的新应用潜力可能会扩大，进一步巩固其在现代化学中的地位。理解氢化钙的性质和用途对任何参与化学研究或工业的人来说都是至关重要的，因为它为多个领域的创新和发展开辟了途径。