chemical reaction

简明释义

化学反应

英英释义

例句

1.Photosynthesis is a vital chemical reaction 化学反应 that allows plants to convert sunlight into energy.

光合作用是一个重要的化学反应 chemical reaction，使植物能够将阳光转化为能量。

2.In the baking process, a chemical reaction 化学反应 occurs when the ingredients are mixed.

在烘焙过程中，当原料混合时，会发生化学反应 chemical reaction。

3.During the experiment, we observed a fascinating chemical reaction 化学反应 that produced gas.

在实验中，我们观察到一个迷人的化学反应 chemical reaction，产生了气体。

4.Acid-base neutralization is a common type of chemical reaction 化学反应 in chemistry.

酸碱中和是化学中一种常见的化学反应 chemical reaction。

5.The rusting of iron is an example of a slow chemical reaction 化学反应 with oxygen.

铁锈的形成是与氧气发生缓慢化学反应 chemical reaction的一个例子。

作文

A chemical reaction is a fundamental process that occurs when substances interact with one another, resulting in the formation of new substances. These reactions are essential to understanding the world around us, as they govern everything from the food we eat to the air we breathe. In essence, a chemical reaction involves the breaking and forming of bonds between atoms, leading to a rearrangement of molecules. There are various types of chemical reactions, each with its unique characteristics. For instance, synthesis reactions occur when two or more reactants combine to form a single product. This type of reaction can be seen in the formation of water when hydrogen gas reacts with oxygen gas. Conversely, decomposition reactions involve a single compound breaking down into two or more simpler substances. An example of this is the electrolysis of water, where electricity is used to separate water into hydrogen and oxygen. Another common category of chemical reactions is displacement reactions, where an element displaces another in a compound. This can be observed when zinc metal is placed in a copper sulfate solution, resulting in the displacement of copper and the formation of zinc sulfate. Additionally, combustion reactions, which typically involve organic compounds reacting with oxygen, are crucial for energy production. The burning of fossil fuels, such as coal and gasoline, is a prime example of a combustion chemical reaction. The study of chemical reactions is not only important for academic purposes but also has profound implications for various industries. In pharmaceuticals, for instance, understanding how different substances react chemically allows chemists to develop new medications that can effectively treat diseases. In agriculture, chemical reactions play a vital role in the creation of fertilizers and pesticides, which enhance crop yields and protect plants from pests. Furthermore, the field of environmental science relies on the knowledge of chemical reactions to address pollution and develop sustainable practices. Moreover, chemical reactions are integral to our daily lives. When we cook food, we often initiate chemical reactions that change the flavor, texture, and nutritional content of the ingredients. Baking bread, for instance, involves fermentation, where yeast converts sugars into carbon dioxide and alcohol, causing the dough to rise. Similarly, the browning of fruits and vegetables is a result of enzymatic chemical reactions that occur when they are exposed to air. In conclusion, a chemical reaction is a transformative process that leads to the creation of new substances through the interaction of reactants. Understanding the different types of chemical reactions and their applications is crucial for scientific advancement and practical use in various fields. From healthcare to environmental sustainability, the significance of chemical reactions cannot be overstated. As we continue to explore the intricacies of these processes, we unlock new possibilities for innovation and improvement in our everyday lives.

化学反应是一个基本过程，当物质相互作用时，会导致新物质的形成。这些反应对于理解我们周围的世界至关重要，因为它们支配着从我们吃的食物到我们呼吸的空气的一切。本质上，化学反应涉及原子之间的键的断裂和形成，导致分子的重新排列。化学反应有多种类型，每种都有其独特的特征。例如，合成反应发生在两个或多个反应物结合形成单一产物时。这种类型的反应可以在氢气与氧气反应形成水的过程中看到。相反，分解反应涉及一个化合物分解为两个或多个更简单的物质。电解水就是一个例子，在这个过程中，电力被用来将水分解为氢和氧。另一种常见的化学反应类别是置换反应，其中一个元素在化合物中取代另一个元素。当锌金属放入硫酸铜溶液中时，就会发生这种情况，锌取代铜，形成硫酸锌。此外，燃烧反应通常涉及有机化合物与氧气反应，对于能量生产至关重要。燃烧化石燃料，如煤和汽油，就是燃烧化学反应的一个主要例子。对化学反应的研究不仅对学术目的重要，而且对各个行业具有深远的影响。例如，在制药行业，了解不同物质的化学反应如何进行使化学家能够开发出有效治疗疾病的新药。在农业中，化学反应在肥料和农药的创造中发挥着至关重要的作用，这些产品提高了作物产量并保护植物免受害虫侵害。此外，环境科学领域依赖于对化学反应的知识，以应对污染并制定可持续的实践。此外，化学反应与我们的日常生活密不可分。当我们烹饪食物时，往往会引发化学反应，改变食材的味道、质地和营养成分。例如，烘焙面包涉及发酵过程，其中酵母将糖转化为二氧化碳和酒精，使面团膨胀。同样，水果和蔬菜的褐变是由于当它们暴露在空气中时发生的酶促化学反应。总之，化学反应是一个变革性过程，通过反应物之间的相互作用导致新物质的创造。理解不同类型的化学反应及其应用对于科学进步和各个领域的实际应用至关重要。从医疗保健到环境可持续性，化学反应的重要性不容低估。随着我们继续探索这些过程的复杂性，我们为创新和改善日常生活开辟了新的可能性。