irreversible reaction

简明释义

不可逆反应

英英释义

例句

1.In a chemical experiment, we observed that the formation of rust is an irreversible reaction 不可逆反应 that cannot be undone.

在一次化学实验中，我们观察到生锈的形成是一个不可逆反应 irreversible reaction，无法逆转。

2.When you burn wood, the combustion is an irreversible reaction 不可逆反应 that produces ash and gases.

当你燃烧木材时，燃烧是一个不可逆反应 irreversible reaction，产生灰烬和气体。

3.Photosynthesis is often considered an irreversible reaction 不可逆反应 because it converts carbon dioxide and water into glucose and oxygen.

光合作用通常被认为是一个不可逆反应 irreversible reaction，因为它将二氧化碳和水转化为葡萄糖和氧气。

4.The decomposition of organic matter in composting is an example of an irreversible reaction 不可逆反应 that enriches the soil.

有机物在堆肥中的分解是一个不可逆反应 irreversible reaction的例子，丰富了土壤。

5.The baking of bread involves several irreversible reactions 不可逆反应 that change the dough into a new substance.

面包的烘焙涉及几个不可逆反应 irreversible reactions，将面团转变为一种新物质。

作文

In the world of chemistry, reactions can be classified into two main categories: reversible and irreversible. An irreversible reaction (不可逆反应) is a type of chemical reaction that proceeds in one direction only, meaning that the reactants are transformed into products, and these products cannot revert back to their original forms under normal conditions. This concept is fundamental in understanding various chemical processes and is vital in both academic and practical applications.One classic example of an irreversible reaction (不可逆反应) is the combustion of hydrocarbons. When a hydrocarbon burns in the presence of oxygen, it produces carbon dioxide and water. The reaction can be represented as follows:C₃H₈ + 5O₂ → 3CO₂ + 4H₂OIn this process, propane (C₃H₈) reacts with oxygen (O₂) to form carbon dioxide (CO₂) and water (H₂O). Once the combustion occurs, the reactants cannot be recovered; the transformation is permanent under typical conditions. This permanence is what defines an irreversible reaction (不可逆反应).Understanding irreversible reactions (不可逆反应) is crucial for several reasons. Firstly, they are prevalent in biological systems. For instance, the process of cellular respiration is largely composed of irreversible reactions (不可逆反应) that convert glucose into energy. During this process, glucose is broken down, and the energy produced is used by the cells to perform various functions. The products of this reaction cannot be converted back into glucose, highlighting the importance of irreversible reactions (不可逆反应) in sustaining life.Moreover, irreversible reactions (不可逆反应) play a significant role in industrial processes. Many manufacturing methods rely on these types of reactions to produce goods efficiently. For example, in the production of cement, limestone undergoes calcination, resulting in lime and carbon dioxide. This reaction is irreversible (不可逆反应), as the carbon dioxide released cannot be easily reabsorbed to reform limestone. Understanding the nature of irreversible reactions (不可逆反应) allows engineers and chemists to optimize processes and improve product yields.Additionally, the study of irreversible reactions (不可逆反应) has implications in environmental science. Many pollutants result from irreversible reactions (不可逆反应) that occur during combustion processes or industrial activities. Recognizing the nature of these reactions can help scientists develop strategies to mitigate their effects on the environment. For example, the creation of more efficient combustion engines aims to reduce the amount of harmful emissions produced by irreversible reactions (不可逆反应).In conclusion, the concept of irreversible reactions (不可逆反应) is a crucial aspect of chemistry that impacts various fields, including biology, industry, and environmental science. By understanding the nature and implications of these reactions, we can better appreciate the complexity of chemical processes that occur around us. Whether in the combustion of fuels, the metabolic pathways in living organisms, or the production of materials, irreversible reactions (不可逆反应) shape the world we live in and influence our daily lives.